limp

flabby, mushy, semisoft, soft, squashy, squishy

delicate, flimsy, insubstantial

elastic, flexible, lax, loose, pliant, relaxed, resilient, springy, stretchy, supple

overfatigued, overtaxed, overworked

broken-down, run-down

debilitated, enervate, enervated, enfeebled, sapped, weakened

drowsy, heavy, sleepy

lethargic, sluggish

indolent, lazy, slothful

dull, lethargic, logy (also loggy), sleepy, sluggish, torpid

exhausted, tired, weary

feeble, frail, weak

apathetic, impassive, indifferent, phlegmatic, stolid

inactive, inert

hitch

blunder, falter, flounder, lurch, shamble, shuffle, stagger, stumble, teeter, totter, waver, wobble (also wabble)

dodder

jog, shamble, shuffle

wallow, welter

falter, lurch, reel, stagger, sway, teeter, totter

fumble, muddle

lumber, shamble, shuffle, tramp, trudge