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

More than 100 people were killed and 113 others were wounded on Monday in a Sudanese military drone strike on a busy market in Nyala, the capital of the South Darfur province, said Emergency Lawyers, a rights group tracking violence. — Yassir Abdalla, Arkansas Online, 29 Oct. 2026

On Monday morning everybody left for home or opted to stay a little bit longer in Hawaii. — Anna Moeslein, Glamour, 29 Oct. 2026

Drinkwitz said Hardy had a good practice on Monday, his first of the season. — Pj Green, Kansas City Star, 29 Oct. 2026

The Seahawks host the Chicago Bears on Monday Night Football, fresh off a dominant 20-3 victory over the Chiefs on Sunday night. — Andy Scholes, CNN Money, 29 Oct. 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.