month

noun

ˈmən(t)th 

plural months ˈmən(t)s 

ˈmən(t)ths

1

: a measure of time corresponding nearly to the period of the moon's revolution and amounting to approximately 4 weeks or 30 days or 1/12 of a year

2

months plural : an indefinite usually extended period of time

He has been gone for months.

3

: one ninth of the typical duration of human pregnancy

She was in her eighth month.

see also:

a month of Sundays of the month

Synonyms of month

• forever
• long
• age

Examples of month in a Sentence

July is my favorite month.

It was hard to keep warm in the cabin during the winter months.

the merry month of May

I saw her last month and I'll see her again next month.

The price sometimes changes dramatically from one month to the next.

He was gone for a month.

She was back to work a month after the accident.

He's been gone for months.

I haven't talked to her in months.

Recent Examples on the Web

Nearly 1 in 5 career staffers left the CPSC in the first 16 months of the new administration, according to a KFF Health News analysis of federal workforce data. — CNN Money, 27 July 2026

In the first three months of this year CXMT accounted for approximately 9% of global shipments. — ABC News, 27 July 2026

This month biologists at the University of Vermont reported in Nature that the black melanoma is contagious, the tumor cells themselves passing from one fish to the next. — John Drake, Forbes.com, 27 July 2026

Horn lost the 14-month temporary seat to Phil LeVota in October 2025 by a vote of the Jackson County Legislature, with current county executive candidate Dan Tarwater III coming in second. — Ilana Arougheti, Kansas City Star, 27 July 2026

Word History

Etymology

Middle English, from Old English mōnath; akin to Old High German mānōd month, Old English mōna moon

First Known Use

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

Phrases Containing month

• a month of Sundays
• lunar month
• month after month
• month by month
• month's mind
• of the month
• sidereal month
• synodic month
• with each passing month

Kids Definition

month

noun

ˈmən(t)th 

plural months ˈmən(t)s 

ˈmən(t)ths

: one of the 12 parts into which the year is divided