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

Some questioned whether that was long enough with the country still mourning and with safety concerns hanging over every aspect of American life. — Peter Sblendorio, New York Daily News, 11 Sep. 2026

Joel posted a message of mourning on social media when his longtime friend and collaborator Jon Small died. — Brian Niemietz, Chicago Tribune, 11 Sep. 2026

In Sacramento a quarter-century later, speakers mourned the dead, honored the sacrifices of so many that day and sought to remind a new generation of the nation’s resolve. — Darrell Smith, Sacbee.com, 11 Sep. 2026

Oyo, crowned at age 3 and celebrated worldwide as a child monarch, is being mourned by tens of thousands in a remote border city, underscoring the enduring influence of Uganda’s traditional kingdoms. — Rodney Muhumuza, Los Angeles Times, 10 Sep. 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
• morne
• porn
• scorn
• shorn
• sworn
• thorn
• torn

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