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.

He slipped on the oil spill in the garage and got his hands dirty.

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 building's safety standards have slipped over the years due to lack of maintenance.

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

He slipped his backpack off his shoulder and onto the ground.