Slipped

The employee slipped up and sent the wrong email to the client.

He slipped the key into the lock and turned it quietly.

The artist slipped the brush from her hand and it landed on the canvas.

The company's profits slipped due to the economic downturn.

The market share slipped as the competition grew stronger.

The confidential information slipped into the wrong hands, leading to a major security breach.

He slipped a piece of paper into the envelope and sealed it shut.

The important document slipped into the wrong hands, causing a security breach.

His physical condition slipped after he stopped exercising.