adjective
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