first degree

1 of 2

noun

US : the level of a crime that is the most serious and warranting the most severe punishment
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 driver of the vehicle, identified as Fred Guy Monaco of North Little Rock, was arrested on charges of first degree forgery, financial fraud, nonfinancial fraud and obstruction of government operations. Dale Ellis, Arkansas Online, 8 Sep. 2026 Now jurors will be given a stark choice — agree with prosecutors and convict Lopez of first degree murder, likely sending him to prison for 50 years to life. Nate Gartrell, Mercury News, 25 Aug. 2026
Adjective
Walsh, 40, was charged with three counts of first-degree murder on Friday, police announced. Marlene Lenthang, NBC news, 5 Sep. 2026 Bossell is charged with first-degree murder, armed criminal action, third-degree assault of a law enforcement officer, resisting arrest and tampering with a motor vehicle in connection with the death of 29-year-old Graham Hoffman. Ben Wheeler, Kansas City Star, 5 Sep. 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 12 Sep. 2026.

Medical Definition

: 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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster