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null - 9 thesaurus results
Main Entry: null
Part of Speech: adjective
Definition: ineffectual, valueless
Synonyms: absent, bad, barren, imaginary, ineffective, inoperative, invalid, negative, nonexistent, nothing, null and void*, powerless, unavailing, unreal, useless, vain, void, worthless, characterless, inefficacious, unsanctioned
Antonyms: effective, effectual, valid, valuable, worthwhile, worthy
Main Entry: ineffective/ineffectual
Part of Speech: adjective
Definition: weak, useless
Synonyms: abortive, barren, bootless, feckless, feeble, fruitless, futile, idle, impotent, inadequate, incompetent, indecisive, inefficient, inept, inferior, innocuous, inoperative, lame, limited, nugatory, null, null and void*, paltry, powerless, spineless, unable, unavailing, unfruitful, unproductive, unprofitable, unsuccessful, vain, void, withered, worthless, anticlimactic, defeasible, forceless, inefficacious, invertebrate, neutralized
Antonyms: competent, effective, effectual, efficient, powerful, strong, useful
Main Entry: nonexistent
Part of Speech: adjective
Definition: fictional, not real
Synonyms: absent, airy, baseless, blank, chimerical, dead, defunct, departed, dreamlike, dreamy, empty, ethereal, extinct, flimsy, gone, groundless, hypothetical, illusory, imaginary, imagined, immaterial, insubstantial, legendary, lost, missing, mythical, negative, null, null and void*, shadowy, tenuous, unreal, unsubstantial, vacant, vague, vaporous, void, extinguished, fancied, few and far between, gossamery, hallucinatory, imponderable, passed away, passed on, perished, ungrounded, without foundation
Antonyms: actual, existing, real, true, existent
Main Entry: unimportant
Part of Speech: adjective
Definition: of no real worth, value
Synonyms: beside the point*, casual, frivolous, frothy, immaterial, inconsequential, indifferent, insignificant, irrelevant, little, meaningless, minor, minute, negligible, nonessential, nothing*, nugatory, null, paltry, petty, picayune, second-rate*, slight, trifling, trivial, unnecessary, useless, worthless, zero*, zilch*, zip*, inconsiderable, low-ranking, of no account, of no consequence, shoestring*
Antonyms: big, important, relevant, serious, useful, worthwhile
Main Entry: ineffective
Part of Speech: adjective
Definition: useless
Synonyms: abortive, barren, bootless, emasculate, feckless, feeble, fruitless, futile, idle, impotent, inadequate, incompetent, indecisive, ineffectual, inefficient, inept, inferior, innocuous, inoperative, lame, limited, nugatory, null, paltry, powerless, spineless, unable, unavailable, unavailing, unfruitful, unproductive, unprofitable, unsuccessful, vain, void, withered, worthless, anticlimactic, defeasible, forceless, inefficacious, neutralized, no go, no way, not effective, slack-spined
Notes: ineffectual refers to a general or habitual lack of success in the carrying out of one's projects; ineffective refers to a specific or definite failure to perform a task or accomplish a purpose
Antonyms: effective
Main Entry: null and void
Part of Speech: adjective
Definition: invalid
Synonyms: null, void, annulled, cancelled out, no longer law, nullified, of no effect
Main Entry: invalid
Part of Speech: adjective
Definition: worthless; unfounded
Synonyms: bad, baseless, fallacious, false, illogical, inoperative, irrational, mad, nugatory, null, null and void*, unreasonable, unscientific, unsound, untrue, void, wrong, ill-founded, not binding, not working, reasonless, sophistic, unreasoned
Antonyms: sound, valid, worthwhile, worthy
Main Entry: void
Part of Speech: adjective
Definition: nullified, meaningless
Synonyms: bad, dead, fruitless, ineffective, ineffectual, inoperative, invalid, nugatory, null, null and void, sterile, unfruitful, unsuccessful, useless, vain, worthless, avoided, forceless, negated, not viable, set aside, unconfirmed, unenforceable, unratified, unsanctioned, voided
Antonyms: full, meaningful, valid
Related Words
Main Entry: nonentity
Part of Speech: noun
Related
Adjectives:
absent, airy, annihilated, azoic, baseless, blank, defunct, departed, diriment, dreamy, empty, ethereal, eviscerated, exhausted, extinct, fabulous, gone, groundless, having no foundation, hollow, ideal, imperscriptable, inane, inanimate, inorganic, leaving no trace, lost, mineral, missing, negative, nominal, not any, not one, null, nullibiquitous, obliterated, omitted, perished, potential, shadowy, supposititious, toom, unbegotten, unborn, unconceived, uncreated, ungrounded, unmade, unproduced, unreal, unsubstantial, vacant, vacuous, vain, virtual, visionary, without foundation
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