p.m.

/piːˈɛm/

//piːˈɛm// adv

"p-m" is a 2-letter English headword indexed on PlainSpell.

The verdict

“p.m.” is outside the top-ranked English vocabulary, used as an adverb - the kind of word writers most often double-check.

Unranked
below top-frequency English
4
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - In the 12-hour period from noon to midnight (the latter half of the day) when using the 12-hour clock.

Key facts for p.m.
PropertyValue
Headwordp.m.
LanguageEnglish
Part of speechAdverb
IPA/piːˈɛm/
Letters4
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “p.m.” sits in English frequency

p.m. falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for p.m. is 4 letters long, classified as an adverb, and transcribed in the International Phonetic Alphabet as /piːˈɛm/. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "In the 12-hour period from noon to midnight (the latter half of the day) when using the 12-hour clock.".

The misspelling generator found no plausible variants for p.m., typically a sign the spelling maps closely to how the word sounds. It is not paired with a close-neighbour confusable in our dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: Abbreviation of post meridiem (“after noon”). The correct English form is p.m., spelled P-.-M-..

Definition

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

Etymology

Abbreviation of post meridiem (“after noon”).

Synonyms

in the afternoon

Antonyms

a.m.in the forenoon

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "p.m."?
"p.m." is spelled P-.-M-.. The IPA pronunciation is /piːˈɛm/.
What does "p.m." mean?
As an adverb, "p.m." means: In the 12-hour period from noon to midnight (the latter half of the day) when using the 12-hour clock.
How do you pronounce "p.m."?
The IPA (International Phonetic Alphabet) transcription for "p.m." is /piːˈɛm/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "p.m."?
Abbreviation of post meridiem (“after noon”). See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “p.m.”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is P-.-M-. - every other letter order is a misspelling in standard orthography.
  • Say it as /piːˈɛm/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list