Slipped

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

He slipped on the wet steps and tumbled down the stairs.

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

She slipped on the rug and nearly fell down the stairs.

He slipped and used a curse word in front of his grandmother.

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

She slipped on the wet spot in the kitchen and dropped the dishes she was carrying.

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

The temperature slipped down as the sun began to set.

The wind slipped in intensity as the storm passed by.

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