Slipped

He slipped on the wet steps and tumbled down the stairs.

She slipped on the rug and nearly fell down the stairs.

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

She slipped up and revealed the surprise party to the birthday boy.

She slipped on the wet spot in the kitchen and dropped the dishes she was carrying.

He slipped his arm around her waist and guided her through the crowded dance floor.

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

The thief slipped the stolen goods into his backpack and walked out of the store.

He slipped the ring onto her finger, asking her to marry him.

The thief slipped away with the purse before anyone noticed.