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Definitions

burglar

[bur-gler] / ˈbɜr glər /
NOUN
person who steals
Synonyms
STRONGEST
crook robber thief
STRONG
housebreaker owl pilferer prowler safecracker
WEAK
cat burglar filcher midnighter picklock porch climber sneakthief

Frequently Asked Questions

What is another name for a burglar?
The word burglar specifically refers to someone who commits burglary—the crime of breaking into a place to steal things. A burglar is sometimes called a prowler. A particularly stealthy and skilled burglar is sometimes called a cat burglar. Antiquated words for burglar include housebreaker, sneakthief, and picklock. A burglar is a kind of thief, but the word thief is much more general. A house that has been burglarized can be said to have been robbed, but the word robber typically refers to someone who steals by using force, violence, or threats of force or violence. A person who specifically steals hamburgers is called a hamburglar.
What words are related to burglar?
The crime that a burglar commits is called burglary. In the US, the verb burglarize is used. In the UK, the verb is burgle. The adjective antiburglary is sometimes used to describe something designed to prevent burglaries, such as bars on windows or a burglar alarm (an electronic security system). A house with such things might be said to be burglarproof. The much rarer adjective burglarious means “pertaining to or involving burglary.”
How do you spell burglar?
Unlike a lot of words that refer to a person who performs a specific action (robber, farmer), burglar ends not in -er or -or but in -ar. The ending likely traces back to Latin origins, probably the verb burgāre, meaning “to thieve.”

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.

His mother “worked as a receptionist at a burglar alarm company—one of the few growth industries in the neighborhood” during the early 1960s.

From The Wall Street Journal • Mar. 20, 2026

But as any Argentine will tell you, you would have to be stupid to literally hide cash under your mattress—it’s the first place a burglar would look.

From The Wall Street Journal • Feb. 3, 2026

Some vendors claim that new add-ons can detect subtle changes in motorist behavior, such as when a would-be burglar is “casing” a home by circling the block in their car.

From Los Angeles Times • Apr. 10, 2025

The 31-year-old had been working for Bedfordshire Police's offender management unit in May 2023 when it was discovered she had started a relationship with a known burglar.

From BBC • Feb. 22, 2025

Mr. Lemoncello had changed out of his judge’s costume into some kind of cat burglar outfit—black pants, ribbed black turtleneck, and sporty black beret.

From "Escape from Mr. Lemoncello's Library" by Chris Grabenstein