1. To take wrongful possession of something: "The thief tried to steal the lawn mower from his neighbor."
2. To come or to go unexpectedly or unobtrusively: "The baseball player tried to steal a base but the other player tried to stop him."
3. To take or to win by trickery and cunning: "The soccer player tried to steal the ball from his opponent."

1. A quality of the mind or physical state that suggests hardness: "His muscles were as hard as steel."

"His mind is like a trap of steel because once he learns something, he never forgets it."
2. Commercial iron that may contain up to 1.7% carbon alloy thereby allowing it to be malleable: "The steel used for the building was manufactured at the local mill."

To prepare oneself for something difficult or unpleasant with determination and courage: "She was told to steel herself because someone was about to tell her some bad news."