adj. 1 (of an idea, suggestion, etc.) wildly unreasonable, illogical, or inappropriate. 2 (of a person) unreasonable or ridiculous in manner. 3 (of a thing) ludicrous, incongruous (an absurd hat; the situation was becoming absurd). absurdly adv. absurdness n.
[ F absurde or L absurdus (as AB-, surdus deaf, dull) ]