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• pm
  pm

  noun

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

  promethium.
• pm.
  pm.

  abbreviation

  premium.
• p.m.
  p.m.

  abbreviation

  after noon.
• P.M.
  P.M.

  abbreviation

  past master.
• PM
  PM

  abbreviation

  Prime Minister

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

Raman and Bass will square off again Wednesday, during a televised debate from the Skirball Cultural Center hosted by NBC4 and Telemundo 52 starting at 5 pm.

From Los Angeles Times • May 6, 2026

Trump's motorcade zoomed out of the Hilton a few minutes after 8:40 pm and headed for the White House.

From Barron's • Apr. 26, 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

How about the carnival downtown Saturday night, 8 pm?

From "From Twinkle, with Love" by Sandhya Menon