without spirit.

without ardor, vigor, zeal, animation, etc.

a spiritless reply to criticism.

adjective

energetic , happy , lively , spirited , uplifted

adjective

apathetic , blah * , blue * , broken , cast down , dejected , despondent , disconsolate , dispirited , dopey * , down , downcast , downhearted , down in the dumps , down in the mouth * , draggy , drippy , droopy , dull , enervated , flat * , flat tire , inanimate , indifferent , lackadaisical , lackluster , languid , languishing , languorous , lifeless , limp , listless , low , melancholic , melancholy , mopy , slothful , subdued , submissive , tame , torpid , unconcerned , unenthusiastic , unmoved , zero * , flagging , leaden , lymphatic , blue , desolate , dysphoric , gloomy , heavy-hearted , sad , tristful , unhappy , wistful , arid , aseptic , colorless , drab , dry , earthbound , flat , flavorless , lusterless , matter-of-fact , pedestrian , prosaic , sterile , stodgy , unimaginative , uninspired , cold , depressed , examinate , heartless , vapid