Synonyms for preposterous in English

Antonyms

• reasonable
• plausible
• smart
• sensible
• serious
• realistic
• sane
• rational
• possible
• logical
• good
• intelligent
• believable
• credible
• sound
• wise
• smartest person
• right-thinking
• right-minded
• rational thought
• much logic
• ratiocinative
• rational in
• complex-differentiable
• actually supposed
• sound in mind
• right mind
• analytic
• commonsense
• sober him up
• ...