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.

—often used with for

thousands mourned for him

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

mourning the loss of their youth

2

: to utter mournfully

… let the whirlwind mourn its requiem!

—W. S. Gilbert

mourner noun

mourningly

ˈmȯr-niŋ-lē 

adverb

Synonyms of mourn

• 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

The ​Iranian delegation arrived dressed in black in mourning for late Supreme Leader Ayatollah Ali Khamenei and others killed in the war. —Azhar Sukri,kevin Breuninger,terri Cullen, CNBC, 11 Apr. 2026

When the popular Italian restaurant Caffe Vialetto closed in 2025 after 26 years of feeding families and sharing milestones, diners across Miami mourned the loss of the Coral Gables icon, a stable oasis for quiet dinners and family celebrations in a wildly changing culinary landscape. —Connie Ogle april 9, Miami Herald, 9 Apr. 2026

The South Suburbs mourn the loss of a longtime and beloved public servant. —Jermont Terry, CBS News, 9 Apr. 2026

Family members mourned Tuesday in Beirut at the funeral of Pierre Mouawad and his wife, Flavia. —Chantal Da Silva, NBC news, 9 Apr. 2026

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