Slipped

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

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

The prisoner slipped through the window and escaped from the high-security prison.

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

The suspect slipped away from the police, disappearing into the crowd.

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.

She slipped her feet into the high-heeled shoes, feeling confident and elegant.

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

The criminal slipped out of the handcuffs and escaped from custody.

The city's crime rate slipped after the police department underwent budget cuts.