attentive Antonyms

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