| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | indefensible |
| Synonyms: | flawed, illogical, unsound, unsupportable |
| 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: | incredible |
| Part of Speech: | adjective |
| Definition: | beyond belief |
| Synonyms: | absurd, far-fetched, fishy, flimsy*, implausible, impossible, improbable, incogitable, inconceivable, insupposable, out of the question, outlandish, phony, preposterous, questionable, ridiculous, rings phony, suspect, thin*, unbelievable, unconvincing, unimaginable, unsubstantial, untenable, unthinkable |
| Notes: | incredible means 'unbelievable' and incredulous means 'unbelieving' |
| Antonyms: | believable, credible, plausible, possible, realistic, tenable |
| Main Entry: | indefensible |
| Part of Speech: | adjective |
| Definition: | inexcusable |
| Synonyms: | bad, faulty, inexpiable, insupportable, unforgivable, unjustifiable, unpardonable, untenable, unwarrantable, wrong |
| Antonyms: | defensible, excusable, justifiable, justified |
| Main Entry: | inexcusable |
| Part of Speech: | adjective |
| Definition: | not forgivable |
| Synonyms: | blamable, blameworthy, censurable, criticizable, impermissible, indefensible, inexpiable, intolerable, outrageous, reprehensible, unallowable, unforgivable, unjustifiable, unpardonable, unpermissible, untenable, unwarrantable, wrong |
| Antonyms: | excusable, forgivable, justifiable |
| Main Entry: | thin |
| Part of Speech: | adjective |
| Definition: | deficient, weak |
| Synonyms: | diluted, feeble*, flat*, flimsy*, implausible, improbable, inadequate, inconceivable, incredible, insubstantial, insufficient, lame, meager, poor, questionable, scant, scanty, scarce, scattered, shallow, sketchy, skimpy, slight, sparse, stretched, superficial, thick*, transparent, unbelievable, unconvincing, unpersuasive, unsubstantial, untenable, vapid, weak-kneed |
| Antonyms: | efficient, solid, strong |
| Main Entry: | unforgivable |
| Part of Speech: | adjective |
| Definition: | inexcusable |
| Synonyms: | blameworthy, contemptible, deplorable, disgraceful, indefensible, inexpiable, not forgivable, outrageous, reprehensible, shameful, unallowable, unconscionable, unjustifiable, unpardonable, unpermissible, untenable, wrong |
| Main Entry: | weak |
| Part of Speech: | adjective |
| Definition: | exposed, vulnerable |
| Synonyms: | accessible, assailable, defenseless, helpless, indefensible, unguarded, unprotected, unsafe, untenable, wide-open, woundable |
| Antonyms: | guarded, protected, safe, secure |