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Synonyms

monthly

American  
[muhnth-lee] / ˈmʌnθ li /

adjective

  1. pertaining to a month, or to each month.

  2. done, happening, appearing, etc., once a month.

    a monthly magazine.

  3. computed or determined by the month.

    a monthly salary.

  4. continuing or lasting for a month.


noun

plural

monthlies
  1. a periodical published once a month.

  2. Informal. Sometimes monthlies. a menstrual period.

adverb

  1. once a month; by the month.

monthly British  
/ ˈmʌnθlɪ /

adjective

  1. occurring, done, appearing, payable, etc, once every month

  2. lasting or valid for a month

    a monthly subscription

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adverb

  1. once a month

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. a book, periodical, magazine, etc, published once a month

  2. informal a menstrual period

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • half-monthly adjective

Etymology

Origin of monthly

First recorded in 1525–35; month + -ly

Explanation

Anything monthly happens once a month. A monthly paycheck will enable you to pay your monthly rent. Whew! Monthly works well as both an adjective and an adverb, describing anything that occurs every month. You might get a monthly paycheck or make monthly phone calls to your grandmother. Or a freelance writer might write a couple of articles monthly and travel monthly to a nearby amusement park. A monthly can also be a magazine that's published once a month.

Keep Reading on Vocabulary.com

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Of the 27 that so far have reported data, the median monthly rise of 5.5% exceeds even the surge seen after the onset of the Russia–Ukraine conflict in March 2022, he said.

From MarketWatch • Apr. 14, 2026

Around two-thirds of reporting economies registered monthly gains in the 97th percentile or higher of their historical distributions, he said.

From MarketWatch • Apr. 14, 2026

The monthly breakeven rate was much higher in the 1970s at 185,000 jobs, as women and baby boomers poured into the labor force.

From The Wall Street Journal • Apr. 13, 2026

The stock booked five consecutive monthly declines until inching 1.2% higher in March.

From Barron's • Apr. 13, 2026

Bosses did not pull children out of school, and there were schools within walking distance for everyone; the school year was six whole months long, and teachers got monthly pay of thirty dollars.

From "A Few Red Drops: The Chicago Race Riot of 1919" by Claire Hartfield