Dictionary.com
Thesaurus.com
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

monthlies plural
  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

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.

U.S. drivers pay a $99 monthly subscription fee.

From Barron's • May 29, 2026

These companies handle back-office functions for condominium boards and help maintain common areas in exchange for a fixed monthly fee.

From The Wall Street Journal • May 29, 2026

Claiming Social Security at 62 locks them into a smaller monthly benefit.

From MarketWatch • May 29, 2026

Brent crude has fallen around $18 so far in May and is on track for its biggest monthly drop in dollars since March 2020, according to Dow Jones Market Data.

From Barron's • May 29, 2026

After making the monthly payment on his loan, paying his few employees, and sending off the tax money to the government, there was no more to live on than before.

From "The Best of Enemies" by Osha Gray Davidson

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "monthly" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com