attentive Antonyms

inattentive reckless soporiferous somnolent somnific snoring slumbery slothful slipshod sleepy unconscious speculative supercilious unconcerned uncivil uncautious unaware unattentive tired thoughtless terse supine sleepful slack silly plodding perfunctory overhasty otiose oscitant oblivious nonchalant negligent neglectful preoccupied procrastinatory shiftless scatter-brained sardonic sarcastic ruminant respectless remiss regardless reflective narcotized unmannerly caught unawares out of it lost in thought