flaccid

adj

1. Flabby; lacking firmness or muscle tone.

   “Colonel Korn, a stocky, dark, flaccid man with a shapeless paunch, sat completely relaxed on one of the benches in the front row, his hands clasped comfortably over the top of his bald and swarthy head.”

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; […]”

3. (specifically)Soft; floppy.

   “They first measured along the top surface of the flaccid penis, [...]”

4. Lacking energy or vigor.

   “The flaccid economy of the 1970s rendered Americans even more hostile toward liberal welfare policies.”