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| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | ineffectual |
| Synonyms: | broken, defective, faulty, unworkable, void |
| Main Entry: | defunct |
| Part of Speech: | adjective |
| Definition: | extinct, not functioning |
| Synonyms: | asleep, bygone, cold, dead, deceased, departed, done for, down the drain, exanimate, expired, gone, had it, inanimate, inoperative, invalid, kaput, late, lifeless, lost, nonexistent, obsolete, out of commission, vanished |
| Antonyms: | alive, existent, existing, functioning, live, operating, operative, valid, working |
| Main Entry: | dormant |
| Part of Speech: | adjective |
| Definition: | inactive; sleeping |
| Synonyms: | abeyant, asleep, closed down, comatose, down, fallow, hibernating, inert, inoperative, latent, lethargic, lurking, on the shelf, out of action, passive, potential, prepatent, quiescent, sidelined, slack, sluggish, slumbering, smoldering, suspended, torpid |
| Antonyms: | active, lively |
| Main Entry: | harmless |
| Part of Speech: | adjective |
| Definition: | not injurious or dangerous |
| Synonyms: | controllable, disarmed, gentle, guiltless, hurtless, innocent, innocuous, innoxious, inoffensive, inoperative, kind, manageable, naive, nonirritating, nontoxic, painless, paper-tiger, powerless, pussycat, reliable, safe, sanitary, simple, soft*, softie, sound, sure, trustworthy, unobjectionable, unoffensive |
| Antonyms: | bad, destructive, evil, harmful, hurtful, injurious, sinful, wicked |
* = informal/non-formal usage
| Main Entry: | inactive |
| Part of Speech: | adjective |
| Definition: | not engaged in action; inert, lazy |
| Synonyms: | abeyant, asleep, blah*, disengaged, do-nothing, dormant, down, draggy, dull, idle, immobile, in holding pattern, indolent, inoperative, jobless, latent, lax, lethargic, limp, low-key, mothballed, motionless, on hold, ossified, out of action, out of commission, out of service, out of work, passive, quiescent, quiet, sedentary, slack, sleepy, slothful, slow, sluggish, somnolent, stable, static, still, torpid, unemployed, unoccupied, unused |
| Antonyms: | active, busy, involved, working |
* = informal/non-formal usage
| Main Entry: | inanimate |
| Part of Speech: | adjective |
| Definition: | not alive, not organic |
| Synonyms: | azoic, cold, dead, defunct, dull, exanimate, extinct, idle, inactive, inert, inoperative, insensate, insentient, lifeless, mineral, motionless, nonanimal, nonvegetable, quiescent, soulless, spiritless |
| Antonyms: | animate, living |
| Main Entry: | ineffective/ineffectual |
| Part of Speech: | adjective |
| Definition: | weak, useless |
| Synonyms: | abortive, anticlimactic, barren, bootless, defeasible, feckless, feeble, forceless, fruitless, futile, idle, impotent, inadequate, incompetent, indecisive, inefficacious, inefficient, inept, inferior, innocuous, inoperative, invertebrate, lame, limited, neutralized, nugatory, null, null and void, paltry, powerless, spineless, unable, unavailing, unfruitful, unproductive, unprofitable, unsuccessful, vain, void, withered, worthless |
| Antonyms: | competent, effective, effectual, efficient, powerful, strong, useful |
| Main Entry: | invalid |
| Part of Speech: | adjective |
| Definition: | worthless; unfounded |
| Synonyms: | bad, baseless, fallacious, false, ill-founded, illogical, inoperative, irrational, mad, not binding, not working, nugatory, null, null and void, reasonless, sophistic, unreasonable, unreasoned, unscientific, unsound, untrue, void, wrong |
| Antonyms: | sound, valid, worthwhile, worthy |
| Main Entry: | latent |
| Part of Speech: | adjective |
| Definition: | dormant, hidden |
| Synonyms: | abeyant, between the lines, concealed, contained, covert, idle, immature, implied, in abeyance, inactive, inert, inferential, inferred, inherent, inoperative, intrinsic, invisible, involved, lurking, passive, possible, potential, quiescent, rudimentary, secret, sleeping, smoldering, suppressed, suspended, tacit, torpid, underdeveloped, underlying, undeveloped, unexposed, unexpressed, unrealized, unripe, unseen, veiled, vestigial |
| Antonyms: | active, apparent, clear, live, manifest, obvious, open, public |
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2013 by the Philip Lief Group.
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Copyright © 2013 by the Philip Lief Group.
Cite This Source
Copyright © 2013 Dictionary.com, LLC. All rights reserved.
