enthusiastic Antonyms

unenthusiastic unpassionate stolid stoical stoic spiritless spineless spent somnolent somnific snoring snail-paced stony stultified supine unmoved uninterested unfeeling unconcerned unactive torpid toddling tired thick-skinned tepid slumbrous slumbery sluggish reluctant refrigerant quietist quiescent prostrate procrastinatory poker pluckless plodding phlegmatical remiss reticent retrospective slothful sleepyhead sleepy sleepful slack shiftless sedentary scandalized sauntering