Slipped

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.

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

She slipped her wallet out of her pocket to pay for her coffee.

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

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

The child slipped the toy out of his grasp and it fell to the ground.

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.