nonsensical
1. [ adjective ] completely devoid of wisdom or good sense
Synonyms: ridiculous preposterous absurd laughable cockeyed idiotic ludicrous derisory
Examples:

"the absurd excuse that the dog ate his homework" "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"

Related terms: foolish
2. [ adjective ] having no intelligible meaning
Synonyms: nonsense
Examples:

"nonsense syllables" "a nonsensical jumble of words"

Related terms: meaningless
Similar spelling:   nonsensicality
  nonessential
  nonsense
  nonsensitive