nonsensical Meaning, Definition & Usage

1. adjective satellite incongruous; inviting ridicule
   derisory; ludicrous; idiotic; preposterous; cockeyed; ridiculous; absurd; laughable.
   
   • 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
2. adjective satellite having no intelligible meaning
   nonsense.
   
   • nonsense syllables
   • a nonsensical jumble of words

WordNet