It was preposterous of them to think that I would pay their bill without questioning the added charges.
The idea was so preposterous it was unlikely to have been invented.
It is preposterous to pay a thousand dollars for a five dollar meal.
Laughable = Pathetic, Pitiful, Absurd, Preposterous, Ludicrous, Mediocre, Rdiculous
Preposterous means absurd, incongruous, out of the question, highly unlikely, amazing, incredible, dubious, or simply ridiculous.
The forms for the adjective are:preposterousmore preposterousmost preposterous
The theory that Stonehenge was constructed by alien life-forms is utterly preposterous.
Preposterous.
ridiculous
Words that are not synonymous with the word 'preposterous' include:appropriatecorrectfairjustlogicalproperrationalreasonablesensiblesoundtruevalid
preposterous
no, similar to preposterous, strange
"Preposterous" means something that is absurd, ridiculous, or illogical to the point of being laughable or nonsensical.