first degree

1 of 2

noun

US : the level of a crime that is the most serious and warranting the most severe punishment

first-degree

2 of 2

adjective

first-de·​gree ˈfərst-di-ˈgrē How to pronounce first-degree (audio)
1
US : of the most serious type : warranting the harshest punishment
first-degree murder/theft/arson
2
: of the least harmful or mildest type
first-degree frostbite
see also first-degree burn

Examples of first degree in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
The suspect, identified in court papers as 40-year-old Tommy Henderson, has now been charged with first degree residential burglary, a felony. Nate Gartrell, Mercury News, 16 Apr. 2026 He was initially charged with first degree murder and concealing a homicidal death. Shardaa Gray, CBS News, 15 Apr. 2026
Adjective
He was taken into custody and transported to Norwalk police headquarters, where he was charged with two counts of criminal attempt at assault on a police officer, two counts of first-degree reckless endangerment and first-degree threatening. Staff Report, Hartford Courant, 21 Apr. 2026 The Los Angeles County District Attorney’s Office said the 21-year-old D4vd, whose legal name is David Burke, was charged with first-degree murder, lewd and lascivious acts with a person under 14 and mutilating a body. Andrew Dalton, Chicago Tribune, 20 Apr. 2026 See All Example Sentences for first degree

Word History

First Known Use

Noun

1682, in the meaning defined above

Adjective

1851, in the meaning defined at sense 1

Time Traveler
The first known use of first degree was in 1682

Browse Nearby Words

See all Nearby Words

Cite this Entry

“First degree.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/first%20degree. Accessed 23 Apr. 2026.

Medical Definition

first-degree

adjective
: of the lowest or mildest in a series of categories : characterized by or causing the least harmful level of injury
a first-degree laceration
see also first-degree burn compare second-degree, third-degree

Legal Definition

first degree

noun
: the grade given to the most serious forms of crimes
burglary in the first degree
first-degree adjective
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