laughable

adjective

1 the idea that nuclear weapons deter anyone is laughable:

ridiculous, ludicrous, absurd, risible, preposterous, irrational, worthy of scorn, derisory;

foolish, silly, idiotic, stupid, nonsensical, senseless, asinine, fatuous, crazy, insane, harebrained, scatterbrained, outrageous;

informal cock-eyed;

British, informal daft.

2 if it wasn't so tragic, it'd be laughable:

amusing, funny, humorous, hilarious, uproarious, comical, comic, entertaining, diverting, farcical, droll, sidesplitting;

informal rib-tickling, jokey, killing, priceless;

rare jocose.

▷antonyms serious.