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a.m.

a.m.

1.0
Used with a time to show it is before noon
  • adverb
  • /ˌeɪˈɛm/
translation icon : a.m.
  • I wake up at 6 a.m. every day.

Examples

  • The meeting starts at 9 a.m..

  • Our appointment is set for 7 a.m. tomorrow.

  • She usually exercises early in the a.m..

  • The train is scheduled to arrive at 9:30 a.m..

  • Our appointment is set for 7 a.m. tomorrow.

  • The train is scheduled to arrive at 9:30 a.m..

  • She usually exercises early in the a.m..

Synonyms

AM
vsa.m.
1.0

During the time between midnight and noon

is the lowercase dotted form used to mark times before noon
ante meridiem
vsa.m.
6.3

Words written after a clock time to show it is before midday

is the common abbreviated form used with clock times before noon

Antonyms

1.0

Said after a time to show it is between noon and midnight

Surface Forms

a.m. positive

Etymology

A.m. The abbreviation a.m. comes from the Latin phrase ante meridiem, where ante- means 'before' and meridiem means 'midday' or 'noon'. So when you see a.m. with a clock time, it shows the time is before noon.