| Main Entry: | groundless |
| Part of Speech: | adjective |
| Definition: | without reason, justification |
Synonyms: |
baseless, bottomless, causeless, chimerical, empty, false, flimsy, foundationless, gratuitous, idle, illogical, illusory, imaginary, unauthorized, uncalled-for, unfounded, unjustified, unprovoked, unsupported, unwarranted |
Antonyms: |
called-for, grounded, justified, proven, reasonable, warranted |
| Main Entry: | baseless |
| Part of Speech: | adjective |
| Definition: | without substantiation |
Synonyms: |
bottomless, flimsy, foundationless, gratuitous, groundless, reasonless, unconfirmed, uncorroborated, unfounded, ungrounded, unjustifiable, unjustified, unsubstantiated, unsupported, untenable, unwarranted |
Antonyms: |
based |
| Main Entry: | flimsy |
| Part of Speech: | adjective |
| Definition: | unconvincing, implausible |
Synonyms: |
assailable, baseless, contemptible, controvertible, fallacious, false, feeble, frivolous, groundless, illogical, improbable, inadequate, inane, inconceivable, incredible, inept, lame, poor, puerile, superficial, thin, transparent, trifling, trivial, unbelievable, ungrounded, unpersuasive, unreasonable, unsatisfactory, unsubstantial, weak, weakly, wishful |
Antonyms: |
convincing, plausible, reasonable, serious, strong |
| Main Entry: | gratuitous |
| Part of Speech: | adjective |
| Definition: | not necessary |
Synonyms: |
assumed, baseless, bottomless, causeless, groundless, indefensible, inessential, needless, reasonless, supererogatory, superfluous, uncalled-for, unessential, unfounded, unjustified, unmerited, unprovoked, unsupportable, unwarranted, wanton |
| Notes: | grateful means feeling or showing gratitude or feeling thankful; gratified means having received what was desired; gratuitous means costing nothing or free - unnecessary or unwarranted - without cause |
Antonyms: |
deserved, needed, reasonable, warranted |
| Main Entry: | idle |
| Part of Speech: | adjective |
| Definition: | worthless, ineffective |
Synonyms: |
abortive, bootless, empty, frivolous, fruitless, futile, groundless, hollow, insignificant, irrelevant, not serious, nugatory, of no avail, otiose, pointless, rambling, superficial, trivial, unavailing, unhelpful, unnecessary, unproductive, unsuccessful, useless, vain |
Antonyms: |
effective, important, productive, worthwhile |
| Main Entry: | illogical |
| Part of Speech: | adjective |
| Definition: | not making sense |
Synonyms: |
absurd, casuistic, cockeyed, fallacious, false, fatuous, faulty, groundless, hollow, implausible, inconclusive, incongruous, inconsequent, inconsistent, incorrect, invalid, irrational, irrelevant, mad, meaningless, not following, nutty, off the wall, preposterous, screwy, self-contradictory, senseless, sophistic, sophistical, specious, spurious, unconnected, unproved, unreasonable, unscientific, unsound, unsubstantial, untenable, wacky, without basis, without foundation |
Antonyms: |
correct, logical, meaningful, rational, reasonable, right, sensible |
| 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, extinguished, fancied, few and far between, flimsy, gone, gossamery, groundless, hallucinatory, hypothetical, illusory, imaginary, imagined, immaterial, imponderable, insubstantial, legendary, lost, missing, mythical, negative, null, null and void, passed away, passed on, perished, shadowy, tenuous, ungrounded, unreal, unsubstantial, vacant, vague, vaporous, void, without foundation |
Antonyms: |
actual, existent, existing, real, true |
| Main Entry: | unfounded |
| Part of Speech: | adjective |
| Definition: | not based on fact |
Synonyms: |
baseless, bottomless, deceptive, fabricated, fallacious, false, foundationless, gratuitous, groundless, idle, illogical, mendacious, misleading, off-base, spurious, trumped up, uncalled-for, unjustified, unproven, unreal, unsubstantiated, untrue, untruthful, unwarranted, vain, without basis, without foundation |
Antonyms: |
founded, justified, proven, substantiated, supported |
| Main Entry: | unjustifiable |
| Part of Speech: | adjective |
| Definition: | unwarranted |
Synonyms: |
baseless, foundationless, groundless, indefensible, inexcusable, uncalled-for, unconscionable, unforgivable, unfounded, ungrounded, unjust, unjustified, unmerited, unpardonable, wrong |
| Main Entry: | unwarranted |
| Part of Speech: | adjective |
| Definition: | not reasonable or right |
Synonyms: |
baseless, bottomless, foundationless, gratuitous, groundless, indefensible, inexcusable, uncalled-for, unconscionable, undue, unfair, unfounded, ungrounded, unjust, unjustifiable, unjustified, unprovoked, unreasonable, unwarrantable, wrong |
Antonyms: |
called-for, justifiable, reasonable, warranted |