pm

¹ American  

Or PM

noun

plural

pms, pm's

1. a private message sent to another user of a social media service or private messaging service.

   How do I send a pm to the moderator of the message board?

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verb (used with object)

pm'd, pmed, pm'ing, pming

1. to send a private message to (another user of such a service).

Pm ² American  

Symbol, Chemistry.

1. promethium.

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pm. ³ American  

abbreviation

1. premium.

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p.m. ⁴ American  

abbreviation

1. after noon.

2. the period between noon and midnight.

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P.M. ⁵ American  

Or PM

abbreviation

1. past master.

2. paymaster.

3. p.m.

4. Police Magistrate.

5. postmaster.

6. postmortem.

7. prime minister.

8. provost marshal.

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PM ¹ British  

abbreviation

1. Prime Minister

2. Past Master (of a fraternity)

3. Paymaster

4. Postmaster

5. military Provost Marshal

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p.m. ² British  

abbreviation

1. (indicating the time period from midday to midnight) post meridiem See a.m.

2. post-mortem (examination)

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Pm ³ British  

symbol

1. promethium

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pm ⁴ British  

abbreviation

1. premium

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pm ⁵ British  

abbreviation

1. St Pierre and Miquelon

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Usage

See a.m.

Etymology

Origin of pm¹

First recorded in 2000–05

Origin of p.m.⁴

From Latin post merīdiem

Example Sentences

Egypt has ordered shops, restaurants and shopping malls to close from 9:00 pm on weekdays, hoping to curb energy bills that have more than doubled because of the war.

From Barron's • Apr. 3, 2026

In metropolitan Denmark, polling stations close at 8:00 pm, with exit polls expected to be published just after.

From Barron's • Mar. 24, 2026

Ventura County Fire Department received a call reporting the incident around 7:30 pm.

From Los Angeles Times • Mar. 22, 2026

It’s 8 pm on a Thursday and my stomach is growling for food.

From Salon • Mar. 3, 2026

Typed on Daddy’s Royal typewriter at 3:27 pm on Wed.,

From Each Little Bird That Sings by Deborah Wiles