Without youthful vigor

Usage examples of decrepitly.

Sam Tuk sat motionless, his hands concealed in his sleeves, bending decrepitly forward in his chair.

For a moment, he had to cling decrepitly to Foamfollower’s arm to support himself, but then one of the warriors gave him his staff, and he braced himself on it.

For a moment, he had to cling decrepitly to Foamfollower's arm to support himself, but then one of the warriors gave him his staff, and he braced himself on it.

Early one morning—a heavy rain, maybe a sign of the coming spring, was pelting the windowpanes—Gregor was so exasperated when the charwoman started up again with her sayings that he turned toward her as if to attack, albeit decrepitly and slowly.