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September 11, 2026Short & citedBlog
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Civic Brief • Crime

Thief

A thief is a person who steals property belonging to someone else, typically without consent and usually without force or violence.

Updated September 11, 20261 min readCited sources

A thief is someone who steals property without consent. The term is used both in law and everyday language.

What it is

A thief is generally defined as a person who commits theft or larceny. Legal sources describe theft as intentionally taking another’s property without permission, with the intent to deprive the owner of it. The word can also refer to repeated offenders, such as a 'common thief.'

Theft is usually defined as unlawful taking without force, while robbery involves taking property by force or threats. Legal dictionaries distinguish theft from robbery, burglary, and embezzlement by the method used. This distinction is important in criminal law.

Usage in law and everyday language

In ordinary English, thief means a person who steals. In legal contexts, the exact elements and wording can differ across jurisdictions, including common-law systems and statutory definitions. The concept is commonly discussed in relation to property protection and enforcement.

In short

  • A thief commits theft or larceny by taking property without consent.
  • Theft generally does not involve force, unlike robbery.
  • Legal definitions vary by jurisdiction.
  • The term is used in both law and everyday speech.
Canadian angle

For Canadian readers, the main relevance is the distinction between the general idea of a thief and the specific Canadian Criminal Code offences and penalties for theft, which depend on the circumstances and value involved.

Quick questions

What is the legal definition of a thief?
A thief is generally a person who unlawfully takes another's property with the intent to deprive the owner of it. Legal phrasing varies, but the core idea is intentional taking without consent.
What is the difference between theft and robbery?
Theft is taking property without permission, usually without force. Robbery involves taking property by force or threats, making it a more confrontational offence.
What are the penalties for theft in Canada?
Canada’s penalties for theft depend on the value and circumstances of the offence, and are set by the Canadian Criminal Code. The provided sources do not give specific penalty ranges.

Sources

  1. The Law Dictionary — https://thelawdictionary.org/thief/
    Supports: Legal-style definition of thief as one guilty of larceny or theft.
  2. LSD Law — https://www.lsd.law/define/thief
    Supports: Definition of thief as someone who takes what does not belong to them, usually without force.
  3. FindLaw — https://dictionary.findlaw.com/definition/thief.html
    Supports: Definition of thief as one who commits theft.
  4. Law.com — https://dictionary.law.com/Default.aspx?selected=2119
    Supports: Definition of theft and distinction from robbery, burglary, and embezzlement.
  5. Merriam-Webster — https://www.merriam-webster.com/dictionary/thief
    Supports: General dictionary definition of thief as one that steals.
  6. UK legislation.gov.uk — https://www.legislation.gov.uk/ukpga/1968/60/body/2004-05-01/data.xht
    Supports: Statutory theft definition and relation to 'thief' and 'steal' in UK law.
  7. Wikipedia — https://en.wikipedia.org/wiki/Theft
    Supports: Overview of theft elements and common distinction from robbery and related offences.