Slipped

The pencil slipped from the desk onto the floor.

The spy slipped the secret code into the message, without anyone realizing it.

She slipped on the loose gravel and stumbled but managed to regain her balance.

The secret plan was slipped into a confidential memo, without anyone noticing.

He slipped on the wet pavement and sprained his ankle.

She slipped on the uneven ground and twisted her ankle, which caused her to limp.

He slipped on the banana peel and landed on his backside.

She slipped on the icy sidewalk and slid several feet before coming to a stop.

She slipped on the muddy path and got her clothes dirty.

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

The crowd's noise slipped to a murmur as the speaker took the stage.

The spy slipped past the guard and entered the building undetected.