pre
pos
te
rous
Comparative
more preposterous
Superlative
most preposterous
1
absurd and contrary to common sense
- The idea that elephants can fly is preposterous and defies all known laws of physics.
- His claim that he could speak to aliens from outer space was dismissed as preposterous by scientists.
- Her assertion that she had traveled back in time to the Middle Ages was deemed preposterous by historians.
- The notion that the moon landing was staged on a Hollywood soundstage is preposterous and lacks any evidence.
- The suggestion that eating chocolate could make you immune to all diseases is preposterous and medically unfounded.