Slipped

The book slipped from his lap and onto the floor.

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

She slipped out of her dress and into a swimsuit.

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

The papers slipped out of the folder and scattered across the desk.

He slipped on the soap in the shower and grabbed onto the curtain to prevent falling.

He slipped on the wet tiles and almost crashed into the wall.

He slipped out of his wet clothes and into a dry towel after a refreshing swim.

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