What is the Opposite(Antonym) of “antemeridian”?

The Opposite(Antonym) of “antemeridian”

The antonym of antemeridian is postmeridian, PM, and afternoon. The antonyms postmeridian, PM, and afternoon refer to the time of day after noon, which is also known as the afternoon or evening.

Explore all Antonyms of “antemeridian”

Definitions and Examples of postmeridian, PM, afternoon

Learn when and how to use these words with these examples!

Relating to or occurring in the afternoon or evening.


The meeting is scheduled for postmeridian hours, so please make sure you are available then.

Abbreviation for post meridiem, meaning after noon.


The train leaves at 2 PM, so we need to be at the station by 1:45.

The time of day between noon and evening.


Let's meet for lunch in the afternoon when we both have some free time.

Key Differences: postmeridian vs PM vs afternoon

  • 1Postmeridian is a formal term used to describe the time of day after noon.
  • 2PM is an abbreviation that is commonly used in informal settings to refer to the time of day after noon.
  • 3Afternoon is a more general term that refers to the time of day between noon and evening.

Effective Usage of postmeridian, PM, afternoon

  • 1Time Management: Use these antonyms to schedule appointments and meetings effectively.
  • 2Communication: Incorporate these antonyms in conversations to clarify the time of day.
  • 3Writing: Utilize these antonyms in writing to convey the time of day accurately.

Remember this!

The antonyms have distinct nuances: Postmeridian is a formal term, PM is an abbreviation, and afternoon is a more general term. Use these words to manage time effectively, communicate clearly, and write accurately.

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