Slipped

He slipped the pen off the desk and into his pocket.

He slipped the key into the lock and turned it quietly.

She slipped and made an error in her calculations, resulting in an incorrect answer.

The water level slipped as the drought continued.

The bird slipped out of its cage and flew away.

The temperature slipped down as the sun began to set.

The wind slipped in intensity as the storm passed by.

The mouse slipped through the small crack in the wall.