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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

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.

Given the year-to-year volatility in monthly returns, April’s advantage over other months is not significant at the 95% confidence level that statisticians often use to assess whether a pattern is genuine.

From MarketWatch • Apr. 1, 2026

There was a lengthy debate on the street sign issue at the council monthly meeting at City Hall.

From BBC • Apr. 1, 2026

It also has a high car title loan mix of 62%, with monthly installment payments higher than those for motorcycle title loans.

From The Wall Street Journal • Apr. 1, 2026

Also, anyone who signs up for our free monthly L.A.

From Los Angeles Times • Apr. 1, 2026

If I knew I would be here talking about it at one hundred and one, I would have taken the monthly check.

From "Life Is So Good" by George Dawson

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.