Monday

noun

Mon·​day ˈmən-(ˌ)dā 

-dē

plural Mondays

: the day of the week between Sunday and Tuesday see also easter monday

Mondays

ˈmən-(ˌ)dāz, 

-dēz 

adverb

works late Mondays [=every Monday]

Examples of Monday in a Sentence

I had lunch with her last Monday.

I'll be seeing her again next Monday.

My birthday falls on a Monday this year.

Next week I'll arrive on Monday and leave on Friday.

I will arrive on Monday morning.

Recent Examples on the Web

All flaggers are now required to reach their jobsites by hitching a ride on a nearby subway instead of walking through the tunnels, according to a service bulletin sent Monday to all subway staff and obtained by the Daily News. — Evan Simko-Bednarski, New York Daily News, 24 Sep. 2026

The horse’s name drew attention after winning his debut Monday at Horseshoe Indianapolis Racecourse. — ABC News, 24 Sep. 2026

Secondary, wide receiver groups dealing with injuries During the Rutgers game, cornerback Jontez Williams and safety Alex Graham appeared to be dealing with injuries, which Riley acknowledged Monday on Trojans Live. — Sean Campbell, Los Angeles Times, 24 Sep. 2026

While those defendants appeared in a Miami federal court on Monday Pierre appeared before Quebec Superior Court Judge Annie Émond. — Jacqueline Charles, Miami Herald, 24 Sep. 2026

Word History

Etymology

Middle English, from Old English mōnandæg; akin to Old High German mānatag Monday; akin to Old English mōna moon and to Old English dæg day

First Known Use

before the 12th century, in the meaning defined above

Phrases Containing Monday

• Easter Monday
• Monday-morning quarterback

Rhymes for Monday

• bundy
• fundi
• grundy
• gundy

Kids Definition

Monday

noun

Mon·​day ˈmən-dē 

: the second day of the week

Etymology

Old English mōnandæg "Monday," literally "the moon's day," a translation of Latin dies Lunae "day of the moon"

Word Origin

In ancient times, it was believed that there were seven "planets," one of which was the moon. The seven days of the week were named after the seven "planets" in Latin. One of the days was named dies Lunae, which means "day of the moon." The Latin name was later translated into other languages. In Old English, dies Lunae became mōnandæg. The word Monday comes from the Old English mōnandæg.