keen Antonyms

empty-headed uninterested unfeeling unconcerned torpid toddling thick thalian swooning unmoved unready unwilling kooky barmy unanimated wooden witless weak-minded waddling vacuous sweetened supine slow-witted slow slothful sleepyhead sleepful simple-minded silly shiftless sluggish slumbery snail-paced stupid stultified stingless spiritless soporiferous somnolent somnific soft-headed senna beta unsympathetic unsharpened uncaring unpowered uninvolved unintelligent half ass