Slipped

She slipped on the spilled drink and spilled her own drink.

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

The restaurant's popularity has slipped due to poor customer service.

He slipped the envelope from his grasp and it fell between the seats in the car.

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

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

I slipped up and forgot to send the important email.

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

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