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 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.

The bird slipped out of its cage and flew away.

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

The piece of paper slipped from the bulletin board and fluttered to the ground.

The mouse slipped through the small crack in the wall.

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.