flaccid

adjective4

1. •
   Flabby; lacking firmness or muscle tone.
2. •
   Soft; floppy.

   • The combatants with rage most horrible Strove, and their eyes started with cracking stare, And impotent their tongues they lolled into the air, Flaccid and foamy, like a mad dog’s hanging; […] — 1817
3. •
   Not erect.

   • They first measured along the top surface of the flaccid penis, [...] — 2006
4. •
   Lacking energy or vigor.

   • The flaccid economy of the 1970s rendered Americans even more hostile toward liberal welfare policies. — 2006