[ muhnth-lee ]
/ ˈmʌnθ li /


noun, plural month·lies.

a periodical published once a month.
Sometimes monthlies. Informal. a menstrual period.


once a month; by the month.

Nearby words

  1. montgomeryshire,
  2. month,
  3. month of sundays, a,
  4. month's mind,
  5. montherlant,
  6. monthly meeting,
  7. monticellite,
  8. monticello,
  9. monticulate,
  10. monticule

Origin of monthly

First recorded in 1525–35; month + -ly

Related formshalf-month·ly, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for monthlies

British Dictionary definitions for monthlies


/ (ˈmʌnθlɪ) /


occurring, done, appearing, payable, etc, once every month
lasting or valid for a montha monthly subscription


once a month

noun plural -lies

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

Word Origin and History for monthlies



1530s, from month + -ly (2). As an adjective from 1570s. Old English had monaþlic, but the modern words seem to be separate formations.

Online Etymology Dictionary, © 2010 Douglas Harper