Learn how to say Thief correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word thief:
noun (plural thieves /θiːvz/)
a person who steals another person’s property, especially by stealth and without using force or threat of violence:
thieves broke into a house on York Close
the thief stole the drugs from a doctor’s surgery
Old English thīof, thēof, of Germanic origin; related to Dutch dief and German Dieb, also to theft