mourn

verb

ˈmȯrn 

mourned; mourning; mourns

intransitive verb

1

: to feel or express grief or sorrow

When he dies, people throughout the world will mourn.

2

: to show the customary signs of grief for a death

especially : to wear mourning

mourned for thirty days in black clothes

3

: to murmur mournfully

—used especially of doves

transitive verb

1

: to feel or express grief or sorrow for

mourned the death of his son

2

: to utter mournfully

let the whirlwind mourn its requiem

—W. S. Gilbert

mourner noun

mourningly

ˈmȯr-niŋ-lē 

adverb

Synonyms

• grieve

Examples of mourn in a Sentence

She is still mourning her husband, who died last year.

Thousands of people mourned his death.

She was mourned by everyone who knew her.

She mourned the loss of her youth.

He still mourns the fact that he never went to college.

Recent Examples on the Web

Leaders from around the world mourned the death of conservative commentator Charlie Kirk after he was assassinated at a Utah university Wednesday. —Ross O'Keefe, The Washington Examiner, 11 Sep. 2025

Some mourned the loss of Kirk as a martyr, while others quickly blamed the left and Democrats for, at the very least, provoking the unknown shooter. —Geoff Brumfiel, NPR, 11 Sep. 2025

Megyn Kelly mourned the death of Charlie Kirk in the middle of a YouTube broadcast. —Wesley Stenzel, Entertainment Weekly, 11 Sep. 2025

Many of these conservative streamers, including Kelly and Pool, knew Kirk personally and mourned him during their streams. —Conor Murray, Forbes.com, 11 Sep. 2025

Word History

Etymology

Middle English, from Old English murnan; akin to Old High German mornēn to mourn, Greek mermēra care — more at memory

First Known Use

before the 12th century, in the meaning defined at intransitive sense 1

Rhymes for mourn

• borne
• bourn
• bourne
• corn
• morn
• porn
• scorn
• shorn
• sworn
• thorn
• torn
• warn

Kids Definition

mourn

verb

ˈmō(ə)rn 

ˈmȯ(ə)rn

1

: to feel or show grief or sorrow especially over someone's death

2

: to display the customary signs of grief for a death especially by wearing mourning

mourner noun