Word.ws English Dictionary

a. m.

a. m. is the alternative form of a.m..

Meaning of a.m.

Adverb

a.m. (not comparable)

  1. In the 12-hour period from midnight to noon (the first half of the day) when using the 12-hour clock.
    • Greenfield … Monday thru Friday, 9 to 12 a.m.1967, United States Travel Service, Plant Tours for International Visitors to the United States, page 49
    Synonyms:
    in the forenoon

Noun capitalized: A. M.

A. M. (uncountable)

  1. (alternative) Alternative form of AM.

Adverb capitalized: A. M.

A. M. (not comparable)

  1. (alternative) Alternative form of a.m..
    • At Five A. M. we got almoſt up with the Chace, and found them to be a large Ship and two Frigates.1761 September 12, The Newcastle Courant, number 4427, Newcastle upon Tyne
    • […]; at Five A. M. the Commodore made the Signal to tack, both Squadrons in company.1780 January 7, Drewry’s Derby Mercury, volume XLIX

Questions about a. m.

What is a. m. the alternative form of?
A. m. is the alternative form of a.m..
What part of speech is a. m.?
A. m. can be a noun or an adverb.

Words near a. m. in the dictionary

  1. A. D. A.
  2. A. double S.
  3. A. E. F.
  4. A. G.
  5. A. G. I.
  6. a. m.
  7. a. m. a.
  8. A. M. A.s
  9. A. N. Other
  10. A. Pascual
  11. A. S. I.

Source and license

Adapted from Wiktionary: a. m. (page history and authors); A. M. (page history and authors); a.m. (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “a. m..” Word.ws, https://word.ws/a._m.. Based on Wiktionary, CC BY-SA 4.0.