noun · verb · 6 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
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pŭs
General-American, Received-Pronunciation:/pʌs/
Southern-England:Recorded audio is listed in the source snapshot.
Northern-England:/pʊs/
rhymes with -ʌs
homophone: puss (without the foot-strut split)
CMU ARPABET:P AH1 S
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
A whitish-yellow or yellow substance composed primarily of dead white blood cells and dead pyogenic bacteria, normally found in regions of bacterial infection.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable, usually
Topics: medicine, pathology, sciences
Examples
Pus was seeping out of the wound.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
Initialism of permanent undersecretary.
Definition source: English Wiktionary via Wiktextract
Usage: UK, abbreviation, alt-of, initialism
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
plural of PU
Definition source: English Wiktionary via Wiktextract
Usage: form-of, plural
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
verb
Meaning 4
To emit pus.
Definition source: English Wiktionary via Wiktextract
Usage: rare
Examples
For quotations using this term, see Citations:pus.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
noun
Meaning 5
a fluid product of inflammation
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.