Definition, Meaning & Synonyms

ante-meridiem

adverb
/ˌæn.ti.mer.ɪˈdiː.ə.m/
Definition
A Latin term meaning ‘before midday’, used to refer to the time from midnight until noon.
Examples
  • She always wakes up early in the ante-meridiem hours to enjoy some quiet time.
  • The train departs at 7:00 ante-meridiem.
  • He prefers to schedule important meetings in the ante-meridiem when he’s most alert.
Meaning
Ante-meridiem is typically abbreviated as ‘a.m.’ and is used in the 12-hour clock system to designate the first half of the day.
Synonyms
  • Morning
  • Forenoon
  • Pre-noon