p.m.

/piːˈɛm/

//piːˈɛm// adv

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

The verdict

“p.m.” is uncommon English (outside the top frequency list), classed as an adverb. The kind of spelling people second-guess.

Unranked
below top-frequency English
4
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - In the 12-hour period from noon to midnight (the latter half of the day) when using the 12-hour clock.

Corpus desk

Index EN-p-m · p.m. · English

p.m. · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MID 4 letters
  • VOW-0 0 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "P" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

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

Long-tail rank of “p.m.” in English

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.

Rare enough to double-check

p.m. is uncommon English outside the top frequency list, classed as anadverb, transcribed /piːˈɛm/. Rarity is why readers land here mid-draft. Gloss: "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.

Recorded use

Wiktionary examples

These source excerpts show how p.m. appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. HOURLY PRECIPITATION … 9 PM THROUGH 12 PM (MIDNIGHT) ZERO DAILY TOTAL
  2. We never say 12 a.m. or 12 p.m. It's either 12 midnight or 12 noon, respectively.

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.

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

Source: FrequencyWords open word-frequency list