Senseless
Part of speech: adjective
Definition: Bereft of feeling or consciousness; deprived of sensation; unconscious; insensible. Lacking meaning or purpose; without common sense; pointless; meaningless. Without consideration, awareness or sound judgement; unreasonable; unwise; stupid.
Example sentence: Some people believe tarot cards are a form of black magic or senseless new age mysticism but for me they are a practical way of talking directly to the universe.
Nitwitted
Part of speech: adjective
Definition: Being like a nitwit; being stupid or foolish.