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
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".