Dictionary.com
Thesaurus.com
Synonyms

thief

American  
[theef] / θif /

noun

plural

thieves
  1. a person who steals, especially secretly or without open force; one guilty of theft or larceny.

    Synonyms:
    highwayman, pickpocket, burglar

thief British  
/ θiːf /

noun

  1. a person who steals something from another

  2. criminal law a person who commits theft

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Usage

What does thief mean? A thief is a person who steals, especially in secret and without using force or violence.The plural of thief is thieves. The related noun theft refers to the act or an instance of stealing.In general, intentionally taking something that doesn’t belong to you makes you a thief. The word most commonly refers to a person who steals money or physical property, but a thief can steal other things, such as ideas, information, or intellectual property.The word thief typically refers to a person who steals without anyone noticing, at least not when the theft is taking place. In contrast, a person who steals by using force, violence, or threats of force or violence would more likely be called a robber. Still, the word thief is used generally to refer to someone who steals. In this way, a robber is a kind of thief.Most instances of theft are crimes, but a person might still be called a thief if they’ve committed a theft that won’t get them arrested. You might call your sibling a thief when they steal a cookie from your plate, for example.Example: I don’t care that he only stole a few things—he stole them, and that makes him a thief.

Related Words

Thief, robber refer to one who steals. A thief takes the goods or property of another by stealth without the latter's knowledge: like a thief in the night. A robber trespasses upon the house, property, or person of another, and makes away with things of value, even at the cost of violence: A robber held up two women on the street.

Other Word Forms

  • thievish adjective
  • thievishly adverb
  • thievishness noun
  • underthief noun

Etymology

Origin of thief

First recorded before 900; Middle English; Old English thēof; cognate with Dutch dief, German Dieb, Old Norse thjōfr, Gothic thiufs

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

To put it another way, those who were forced to flee and whose property was stolen are invited to buy it back from the thieves.

From The Wall Street Journal

Watch out for the ‘thieves’ of retirement wealth.

From MarketWatch

Systems are imperfect and mistakes happen, meaning “there is an intrinsic risk” that a thief will steal your sensitive data, Schwartz says.

From The Wall Street Journal

Which brings us to “Double Stakes,” a Ukrainian police and thieves series premiering in the U.S.

From Los Angeles Times

The government also plans to introduce legislation which would mean more burglars, thieves and domestic abusers would face GPS and alcohol monitoring - using ankle tags - in what ministers describe as a £100m crackdown on crime.

From BBC