nonsensical
[adjective]
Synonyms: senseless, absurd, crazy, foolish, inane, incomprehensible, irrational, meaningless, ridiculous, silly

[TahlilGaran] English Synonym Dictionary ▲

non‧sen‧si‧cal /nɒnˈsensəkəl, nɒnˈsensɪkəl $ nɑːn-/ adjective
[Word Family: adjective: sensible, insensible, senseless, sensitive ≠ insensitive, sensory, nonsensical, insensate; noun: sense ≠ nonsense, sensibility ≠ insensibility, sensitivity ≠ insensitivity, senselessness, sensitization, sensor; adverb: sensibly, senselessly, sensitively ≠ insensitively; verb: sense, sensitize]
ideas, actions, or statements that are nonsensical are not reasonable or sensible:
This is a nonsensical argument.

[TahlilGaran] Dictionary of Contemporary English ▲