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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

Gloucestershire-based David McClelland said some older phones, along with burglar and care alarms, will not be able to receive 4G and 5G networks, while others may automatically switch over.

From BBC • Jan. 12, 2026

He rigged a burglar alarm with foam so it made a loud clattering sound.

From Los Angeles Times • Jan. 9, 2026

And that burglar alarm—how could I forget about that burglar alarm?

From "The Contender" by Robert Lipsyte

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.