形容词

1. 极其荒谬的；愚蠢至极的
If you describe something as preposterous, you mean that it is extremely unreasonable and foolish.

1. incongruous
nviting ridicule

e.g. the absurd excuse that the dog ate his homework
that's a cockeyed idea
ask a nonsensical question and get a nonsensical answer
a contribution so small as to be laughable
it is ludicrous to call a cottage a mansion
a preposterous attempt to turn back the pages of history
her conceited assumption of universal interest in her rather dull children was ridiculous

Synonym: absurdcockeyedderisoryidioticlaughableludicrousnonsensicalridiculous