lacking in vigor or vitality; slack or slow

a languid manner.

lacking in spirit or interest; listless; indifferent.

drooping or flagging from weakness or fatigue; faint.

adjective

alert , animated , energetic , lively , spirited , vivacious

adjective

apathetic , blah * , blahs , comatose , dopey , easy , energyless , enervated , faint , feeble , heavy , impassive , inactive , indifferent , inert , infirm , lackadaisical , laid-back , languishing , languorous , lazy , leaden , leisurely , lethargic , limp , moony , nebbish , phlegmatic , pining , sickly , sleepyhead , slow , sluggish , snoozy , spiritless , supine , torpid , unconcerned , unenthusiastic , unhurried , uninterested , weak , weary , wimpynotes:languid is limp or listless; limpid means clear or calm , flagging , listless , lymphatic , drooping , dull , indolent , lifeless , tardy , unanimated , wan