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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.

Because you’re borrowing money against the equity in your house, you don’t have monthly loan payments.

From MarketWatch • Apr. 23, 2026

The cost of crude energy products was up 41.1% in March, the largest monthly gain since May 2020.

From The Wall Street Journal • Apr. 23, 2026

With monthly updating of its weightings—the relative importance of different sectors—the index also better reflects shifts in consumer behavior, such as when people switch from pricier goods to lower-cost alternatives.

From Barron's • Apr. 22, 2026

The monthly statistics will show the length of waiting lists as well as how emergency care and cancer services are also failing to meet key performance measures.

From BBC • Apr. 22, 2026

In Holland, and probably everywhere else in Europe, the Germans have issued us monthly ration cards with coupons for food, clothing, kerosene, rubber.

From "Girl in the Blue Coat" by Monica Hesse