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a.m. Meaning & Definition

What Does A.m. Mean?

As an adverb, a.m. means In the 12-hour period from midnight to noon (the first half of the day) when using the 12-hour clock. As an adjective, it means Initialism of ad modum. As an adjective, it means Consistent with.

Quick Facts About A.m.

Part of speechadverb, adjective
Synonymsforenoon
Antonymsp.m. and afternoon

A.m. Definition (Adverb)

  1. In the 12-hour period from midnight to noon (the first half of the day) when using the 12-hour clock.

A.m. as an Adjective

  1. Initialism of ad modum.

Adverb

  1. Before noon.

Adjective

  1. Consistent with.

Synonyms of A.m.

A.m. synonyms and antonyms →

Antonyms of A.m.

Word Forms & Grammar

a.m. (not comparable)

Origin of A.m.

Abbreviation of ante meridiem (“before noon”).

Frequently Asked Questions About A.m.

Is a.m. an adverb or an adjective?

A.m. is mainly used as an adverb, but it can also be used as an adjective.

What is another word for a.m.?

You can replace a.m. with words such as forenoon. See the full list of a.m. synonyms and antonyms.

What is the opposite of a.m.?

The opposite of a.m. can be expressed with words like p.m. and afternoon.

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