His knees weakened suddenly, and he had to catch himself on the door.

Conan had been trying unceasingly to break the invisible bonds upon him when he felt them suddenly weaken.

We were exposed and raw, suddenly weakened, even somewhat helpless.

Then men's wear sales suddenly weakened.

The phone signal weakened suddenly and Branson's voice became crackly.

It then suddenly weakened for unexplained reasons, and weakened into a tropical storm on July 27.

That clear, professional intensity suddenly weakened into a thousand-yard stare.

One of his arms suddenly weakened, and he fell, sliding over upon his back.

The following day, unknown factors caused the storm to suddenly weaken before increasing wind shear took over.

The multimind weakened suddenly and Hilton snapped it back to Ardry.