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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

"It offers Dutch companies tremendous opportunities to invest in India, but also to attract Indian talent to the Netherlands," said the Dutch PM.

From Barron's • May 16, 2026

Rayner quit as deputy PM and housing, communities and local government minister after an investigation found she had breached the ministerial code over the purchase of a flat in southern England.

From Barron's • May 14, 2026

Senior members of the cabinet and over 70 parliamentarians have called for the PM to step down.

From The Wall Street Journal • May 12, 2026

However the PM must have the "confidence" of the House of Commons to govern, which means they must be supported by a majority of MPs.

From BBC • May 12, 2026

Electricity was rationed from six PM to six AM, though sometimes it did not come on at all.

From "I Will Always Write Back" by Caitlin Alifirenka and Martin Ganda