ALL NEW!
`THE MOST UP--TO--DATE THESAURUS
`
`,
`
`ST
`
`I
`
`.
`ICT ONARY FO
`
`THE ESSENTIAL REFERENCE FOR HOME, SCHOOL, OR OFFICE
`,
`• CONCISE DEFINITIONS FOR EACH MAIN ENTRY
`
`• REVOLUTIONARY CONCEPT INDEX
`
`• 4~0,000 SYNONYMS YIELD OVER 1 MILLION WORD CHOICES(cid:173)
`MORE THAN ANY OTHER THESAURUS
`
`EDITED BY
`
`BARBARA ANN KIPFER, PH. D.
`
`TWILIO, INC. EX. 1010
`Page 1
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`

`

`A DELL HARDCOVER
`
`Published by
`Dell Publishing
`a division of
`Bantam Doubleday Dell Publishing Group, Inc.
`·
`1540 Broadway
`New York, New York 10036
`
`Produced by The Philip Lief Group, Inc.
`6 West 20th Street
`New York, New York 10011
`
`Design: Binns & Lubin I Martin Lubin
`
`Copyright© 1992 by The Philip Lief Group, Inc.
`All rights reserved. No part of this book may be
`reproduced or transmitted in any form or by any
`means, electronic or mechanical, including photo(cid:173)
`copying, recording, or by any information storage
`and retrieval system, without the written permission
`of the Publisher, except where permitted by law.
`The trademark Dell® is registered in the U.S. Patent
`and Trademark Office.
`
`Printed in the United States of America
`Published simultaneously in Canada
`August 1992
`10 9 8 7 6 5 4
`
`Library of Congress Cataloging-in-Publication Data
`Kipfer, Barbara Ann
`Roget's 21st century thesaurus in dictionary form: the essential reference
`for home, school, or office I Barbara Ann Kipfer.
`em.
`p.
`Includes index.
`ISBN 0-440-50386-8
`I . English language-Synonyms and antonyms. I. Title.
`II. Title: Rogel's twenty-first century thesaurus in dictionary form.
`PE159I.K54 1992
`423' l.-<lc20
`
`91-37916
`
`CIP
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`QUANTITY SALES
`Most Dell books are available at special quantity dis·
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`tions, or groups. Special imprints, messages, and excerpts
`can be produced to meet your needs. For more information,
`write to: Dell Publishing, 1540 Broadway, New York, NY
`10036. Attention: Special Markets.
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`INDIVIDUAL SALES
`Are there any Dell books you want but cannot find in your
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`can get any Dell book currently in print. For a complete up(cid:173)
`to-date listing of our books and information on how to order,
`write to: Dell Readers Service, Box DR, 1540 Broadway, New
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`
`TWILIO, INC. EX. 1010
`Page 2
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`

`

`EN MASSE I ENSEMBLE
`
`into, quicken, recreate, refresh, rejuvenate, renew,
`restore, rouse, snap out of it*, spark, spice, spice
`up*, stimulate, vivificate, vivify, wake up, work
`up*, zap*; SEE CONCEPTS 7,22
`en masse [adj] all at once
`all in all, all together, altogether, as a body, as a
`group, as a whole, as one, bodily, by and large*,
`ensemble, generally, in a body, in a group, in a mass,
`jointly, on the whole, together; SEE CONCEPT 577
`enmesh [ v] involve in situation
`box in, catch, drag into*, draw in, embroil, ensnare,
`entangle, entrap, hook, implicate, incriminate, lay a
`trap for*, lay for*, make party to*, net, snare, snarl,
`tangle, trammel, trap; SEE CONCEPTS 59,112
`enmity [n] hatred, animosity
`acrimony, alienation, animus, antagonism, antipa(cid:173)
`thy, aversion, bad blood*, bitterness, daggers*, de(cid:173)
`testation, dislike, hate, hostility, ill will, loathing,
`malevolence, malice, malignancy, malignity, rancor,
`spite, spleen, uncordiality, unfriendliness, venom;
`SEE CONCEPT 29
`ennui [ n] boredom
`apathy, blahs, blues, dejection, depression, dissatis(cid:173)
`faction, doldrums, dumps*, fatigue, ho hums*, lack
`of interest, languidness, languor, lassitude, listless(cid:173)
`ness, melancholy, sadness, satiety, spiritlessness,
`surfeit, tedium, weariness, yawn*; SEE CONCEPT 410
`enormity [nl] horribleness
`abomination, atrociousness, atrocity, crime, deprav(cid:173)
`ity, disgrace, evil, evilness, flagrancy, grossness,
`heinousness, horror, monstrosity, monstrousness,
`nefariousness, outrage, outrageousness, rankness,
`turpitude, vice, viciousness, vileness, villainy, wick(cid:173)
`edness; SEE CONCEPTS 645,666
`enormity [n2] extreme largeness
`bigness, bulk, enormousness, greatness, hugeness,
`immensity, magnitude, massiveness, size, tremen(cid:173)
`dousness, vastness; SEE CONCEPT 730
`enormous [adj] very large
`astronomic, barn door*, blimp*, colossal, excessive,
`gargantuan, gigantic, gross, huge, humongous, im(cid:173)
`mense, jumbo*, king-sized*, mammoth, massive,
`monstrous, mountainous, prodigious, stupendous,
`super-colossal*, titanic*, tremendous, vast, whop(cid:173)
`ping; SEE CONCEPT 773
`enough [n] plenty
`abundance, adequacy, ampleness, ample supply,
`competence, plenitude, right amount, sufficiency,
`sufficient; SEE CONCEPTS 646,767
`enough [ adj] plenty
`abundant, acceptable, adequate, all right already*,
`ample, bellyful*, bounteous, bountiful, comfortable,
`competent, complete, copious, decent, enough al(cid:173)
`ready*, fed up*, full, had it*, last straw*, lavish,
`plenteous, plentiful, replete, satisfactory, satisfying,
`sick and tired of*, sufficient, sufficing, suitable, un(cid:173)
`limited, up to here*; SEE CONCEPTS 546,771
`
`306
`
`enough [adv] adequately
`abundantly, acceptably, admissibly, amply, ave
`agely, barely, commensurately, decently, fair!;·
`moderately, passably, proportionately, rather, re '
`sonably, satisfactorily, so-so*, sufficiently, tolerabl~~
`SEE CONCEPTS 546,558,771
`'
`enrage [ v] make very upset
`aggravate, anger, ask for it*, exasperate, get uncte
`skin*, hack*, incense, incite, inflame, infuriate, ire r
`irritate, madden, make blood boil*, make see rect/
`needle, provoke, rile, steam up*, T -off*, umbrage'
`whip up*; SEE CONCEPTS 7,14,19
`'
`enrapture [ v] captivate
`allure, attract, beguile, bewitch, charm, delight
`elate, enamor, enchant, enthrall, entrance, fascinate'
`gladden, gratify, please, ravish, rejoice, score, send'
`spellbind, transport; SEE CONCEPTS 7,22
`'
`enrich [v] improve, embellish
`adorn, aggrandize, ameliorate, augment, beef up*
`better, build, build up, cultivate, decorate, develop'
`endow, enhance, figure in, flesh out*, grace, hik~
`up*, hop up*, jack up*, jazz up*, make rich, oma(cid:173)
`ment, pad, parlay, pour it on*, pyramid*, refine, run
`up*, soup up*, spike*, step up, supplement, sweet(cid:173)
`en*, up*, upgrade; SEE CONCEPTS 177,244
`enroll [ v 1] sign up for membership
`accept, admit, become student, call up, employ, en(cid:173)
`gage, enlist, enter, join, join up, matriculate, muster,
`obtain, recruit, register, serve, sign on, subscribe,
`take course, take on; SEE CONCEPTS 114,129
`enroll [ v2] list, record
`affix, bill, book, catalog, chronicle, engross, enlist,
`enter, file, fill out, index, inscribe, insert, inventor(cid:173)
`ize, mark, matriculate, note, poll, register, schedule,
`slate; SEE CONCEPTS 79,125
`enrollment [ n] registration for membership
`acceptance, accession, admission, conscription, en(cid:173)
`gagement, enlistment, entrance, entry, induction, in(cid:173)
`flux, listing, matriculation, rally, reception, record,
`recruitment, response, student body, students, sub(cid:173)
`scription; SEE CONCEPTS 288,388,417
`en route [adj] on the way to destination
`advancing, along the way, bound, driving, entrained,
`en voyage*, flying, heading toward, in passage, in
`transit, making headway*, midway, on the road*,
`pressing on, progressing, travelling; SEE coNcEPTS
`577,586
`ensconce [ v] hide; tuck away
`bury, cache, conceal, cover, curl up, ditch, establish,
`fix, install, locate, nestle, place, plant, protect,
`screen, seat, secrete, set, settle, shelter, shield, sit(cid:173)
`uate, snuggle up, stash, station; SEE coNCEPTS
`188,201
`ensemble [nl] collection
`aggregate, assemblage, band, cast, choir, chorus,
`company, composite, entirety, gathering, glee club,
`group, octet, orchestra, organization, outfit, quartet,
`
`TWILIO, INC. EX. 1010
`Page 3
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`

`

`REGARD/REGULAR
`
`spect, revere, see, suppose, surmise, think, treat,
`value, view; SEE CONCEPTS 10,12
`regard [v3] have something to do with
`apply to, bear upon, be relevant to, concern, have a
`bearing on, have to do with*, interest, pertain to,
`refer to, relate to; SEE CONCEPT 532
`regardful [ad)] attentive, observant
`advertent, arrect, aware, careful, considerate, defer(cid:173)
`ential, duteous, dutiful, heedful, intentive, mind(cid:173)
`ful, observative, observing, respectful, thoughtful,
`watchful; SEE CONCEPT 401
`regardless [ad)] indifferent, unconcerned
`behindhand, blind, careless, coarse, crude, deaf, de(cid:173)
`linquent, derelict, disregarding, heedless, inadvertent,
`inattentive, inconsiderate, insensitive, lax, listless,
`mindless, neglectful, negligent, nonobservant, rash,
`reckless, remiss, rude, slack, unfeeling, unheeding,
`uninterested, unmindful; SEE CONCEPT 401
`regardless [adv] despite everything
`against, although, anyway, aside from, at any cost,
`but, come what may, despite, distinct from, for all
`that, in any case, in spite of everything, leaving
`aside, nevertheless, no matter what, nonetheless, not(cid:173)
`withstanding, without considering, without regard to;
`SEE CONCEPTS 544,548
`regards [n] best wishes
`commendations, compliments, deference, devoirs,
`good wishes, greeting, love, love and kisses*, re(cid:173)
`membrances, respects, salutation, salutations; SEE
`CONCEPT 278
`regenerate [ v] breathe new life into
`change, exhilarate, inspirit, invigorate, produce,
`raise from the dead*, reanimate, reawaken, recon(cid:173)
`struct, recreate, reestablish, refresh, reinvigorate, re(cid:173)
`juvenate, renew,
`renovate, reproduce, restore,
`revive,
`revivify, uplift; SEE CONCEPTS 7,22,
`173,202,251
`regime [n]leadership of organization
`administration, dynasty, establishment, government,
`incumbency, management, pecking order*, reign,
`rule, system, tenure; SEE CONCEPTS 299,325
`region [n] area, domain; scope
`arena, bailiwick, belt, block, clearing, country, de(cid:173)
`mesne, district, division, domain, dominion, envi(cid:173)
`rons, expanse, field, ghetto, ground, inner city,
`jungle, land, locale, locality, neck of woods*, neigh(cid:173)
`borhood, part, place, precinct, province, quarter,
`range, realm, scene, section, sector, shire, sphere,
`stomping ground*, suburb, terrain, territory, tract,
`turf, vicinity, walk, ward, world, zone; SEE CON(cid:173)
`CEPTS 198,508,512
`register [ n] list, record
`annals, archives, book, catalog, catalogue, chroni(cid:173)
`cle, diary, entry, file, ledger, log, memorandum, reg(cid:173)
`istry, roll, roll call, roster, schedule, scroll; SEE
`CONCEPT 281
`register [ v 1] enter in list, record
`catalogue, check in, chronicle, enlist, enroll, file,
`inscribe, join, list, note, record, schedule, set down,
`696
`
`°\Vn
`
`sign on, sign up, sign up for, subscribe, take d ...
`weigh in; SEE CONCEPTS 79,114,125
`register [v2] indicate, reveal
`be shown, bespeak, betray, disclose, displa
`•.••
`hibit, express, manifest, mark, point out, poi~t e~,
`read, record, reflect, say, show; SEE CONCEpt
`o.J
`register [vJ] make an impression
`6~
`come home, dawn on, get through, have an efl •'.
`impress, sink in, tell; SEE CONCEPTS 7,19,22
`ect~,
`regress [ v] return to earlier way of doing things
`backslide, degenerate, deteriorate, ebb, fall aw ··~.
`fall back, fall off, go back, lapse, lose ground,~\
`cede, relapse, retreat, retrogress, revert, rollback·
`sink, throw back, turn back; SEE CONCEPTS 633 69~:
`regret [n] upset over past action
`' ·· ·
`a~ftiction, anguish, annoy~nce, apologies, apology,•
`bitterness, care, compunction, concern, conscience'•
`contrition, demur, disappointment, discomfort, dis:·
`satis~action, .do~e: grief, heart~che, heartbreak, la111,-~
`entation, ffi!SglVIng, nostalgia, pang, penitence.;
`qualm, regretfulness, remorse, repentance, ruefu[:i
`ness, scruple, self-accusation, self-condemnation;~
`self-disgust, self-reproach, sorrow, uneasiness, woe:
`worry; SEE CONCEPTS 21,410
`.·
`regret [ v] be upset about
`apologize, be disturbed, bemoan, be sorry for, be-:;
`wail, cry over*, cry over spilled milk*, deplore, dep-·;
`recate, disapprove, feel remorse, feel sorry, feel ;
`uneasy, grieve, have compunctions*, have qualms* ,·X
`kick oneself*, lament, look back, miss, moan,.~
`mourn, repent, repine, rue, weep*, weep over*; SEE .'
`CONCEPTS 21,410
`regretful [ad)] sad, sorry
`. J:
`apologetic, ashamed, attritional, compunctious, con- .;;
`trite, disappointed, mournful, penitent, remorseful, ·,;
`repentant, rueful, sorrowful; SEE CONCEPT 403
`..
`regrettable [ad)] unfortunate, wrong
`,;·•:
`afflictive, calamitous, deplorable, dire, disappoint- ••
`ing, distressing, dreadful, grievous, heartbreaking,,:r
`ill-advised, lamentable, pitiable, pitiful, sad, shame-<y;
`ful, unfavorable, unhappy, woeful; SEE coNCEPTS
`548,571
`regular [adjl] normal, common
`approved, bona fide, classic, commonplace, correct, .•
`customary, daily, established, everyday, formal, {
`general, habitual, lawful, legitimate, natural, normal, :
`official, ordinary, orthodox, prevailing, prevalent,
`proper, routine, run-of-the-mill*, sanctioned, stan·
`dard, time-honored, traditional, typic, typical, uneX·
`ceptional, unvarying, usual; SEE CONCEPTS
`533,547
`regular [adj2] orderly, consistent, balanced
`.
`accordant, alternating, arranged, automatic, class!·
`fied, congruous, consonant, constant, cyclic, depen~­
`able, efficient, established, even, exact, expecte '
`fixed, flat, formal, harmonious, in order, invariable,
`level, measured, mechanical, methodical,
`.
`tary, ordered, organized, patterned, periodic, precise,
`probable, punctual, rational, recurrent,
`
`2t
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`TWILIO, INC. EX. 1010
`Page 4
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