Standard Lemma guide

PAC

adj · name · noun · 16 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • /pæk/
  • [phæk]
  • Australia: Recorded audio is listed in the source snapshot.
  • homophone: pack
  • rhymes with -æk
  • CMU ARPABET: P AE1 K Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Initialism of probably approximately correct.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, initialism, not-comparable

Qualifier: artificial intelligence

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Alternative form of Pac. (abbreviation of Pacific)

Definition source: English Wiktionary via Wiktextract

Usage: alt-of, alternative, not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

name

Meaning 3

Abbreviation of Pacific (“Pacific Ocean”).

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of

Topics: government, military, politics, war

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

name

Meaning 4

A surname.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

name

Meaning 5

Alternative form of Pac. (abbreviation of Pacific)

Definition source: English Wiktionary via Wiktextract

Usage: alt-of, alternative

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

name

Meaning 6

Proto-Algic (compare PA, PAn)

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

noun

Meaning 7

Initialism of programmable automation controller.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, initialism

Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

noun

Meaning 8

Initialism of proxy auto-config (file).

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, initialism

Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

9

noun

Meaning 9

Initialism of public accounts committee.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, initialism

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

10

noun

Meaning 10

Acronym of political action committee.

Definition source: English Wiktionary via Wiktextract

Usage: US, abbreviation, acronym, alt-of

Topics: government, politics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

11

noun

Meaning 11

Initialism of presentation-abstraction-control.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, initialism

Topics: arts, computing, design, engineering, mathematics, natural-sciences, physical-sciences, sciences, software

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

12

noun

Meaning 12

Initialism of Pan American Championships.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, initialism

Qualifier: rhythmic gymnastics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

13

noun

Meaning 13

Alternative form of pack.

Definition source: English Wiktionary via Wiktextract

Usage: Canada, US, alt-of, alternative

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

14

noun

Meaning 14

A moccasin with a sole made of leather or deerskin.

Definition source: English Wiktionary via Wiktextract

Usage: Canada, US

Qualifier: originally

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

15

noun

Meaning 15

A pac boot.

Definition source: English Wiktionary via Wiktextract

Usage: Canada, US

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

16

noun

Meaning 16

committee formed by a special-interest group to raise money for their favorite political candidates

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: political action committee

Antonyms: none provided

Broader terms: committee, commission

History

Etymology

Various origins: * Borrowed from Polish Pac, a hypocoristic short form of several personal names, such as Paweł or Pakosław. * Borrowed from Czech and Slovak Pač, Páč, from a short form of the personal name Pačeslav. * Borrowed from Spanish Pac, a topographic surname from pac (“farmstead”). * Guatemalan surname, from a Castilianized form of a local Mayan word meaning "wooden spoon".

Clipping of shoepac.