- utterly or obviously senseless, illogical, or untrue; contrary to all reason or common sense; laughably foolish or false: an absurd explanation.
- the quality or condition of existing in a meaningless and irrational world.
- at variance with reason; manifestly false
- ludicrous; ridiculous
- the absurd (sometimes capital) philosophy the conception of the world, esp in Existentialist thought, as neither designed nor predictable but irrational and meaningless
1550s, from Middle French absurde (16c.), from Latin absurdus “out of tune; foolish” (see absurdity). The main modern sense (also present in Latin) is a figurative one, “out of harmony with reason or propriety.” Related: Absurdly; absurdness.