flabby (adj.)
- anemic
- asthenic
- baccate
- baggy
- bloodless
- chicken
- cowardly
- debilitated
- doughy
- drooping
- droopy
- dull
- effete
- enervated
- etiolated
- faint
- feeble
- flaccid
- fleshy
- flimsy
- floppy
- forceless
- gone
- gutless
- imbecile
- impotent
- ineffective
- ineffectual
- languid
- languorous
- lax
- limber
- limp
- listless
- loose
- mushy
- nerveless
- pasty
- pendulous
- pithy
- powerless
- pulpy
- quaggy
- relaxed
- rubbery
- sagging
- sapless
- slack
- sleazy
- soft
- spineless
- spiritless
- spongy
- squashy
- squishy
- succulent
- unhardened
- unnerved
- unstrung
- weak
- weakly
- yielding