资料来源 : pyDict

软弱的,没气力的,无活力的

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Flaccid \Flac"cid\, a. [L. flaccidus, fr. flaccus flabby: cf.
   OF. flaccide.]
   Yielding to pressure for want of firmness and stiffness; soft
   and weak; limber; lax; drooping; flabby; as, a flaccid
   muscle; flaccid flesh.

         Religious profession . . . has become flacced. --I.
                                                  Taylor.
   -- {Flac"cid*ly}, adv. -- {Flac"cid*ness}, n.

资料来源 : WordNet®

flaccid
     adj 1: lacking in strength or firmness or resilience; "flaccid
            muscles"; "took his lax hand in hers"; "gave a limp
            handshake"; "a limp gesture as if waving away all
            desire to know" G.K.Chesterton; "a slack grip" [syn: {lax},
             {limp}, {slack}]
     2: lacking firmness or stiffness; "flabby around the middle";
        "flaccid cheeks" [syn: {flabby}]