noun, verb ·Moderate ·College level

Definitions

Noun

1. 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. uncountable, usually

   "Pus was seeping out of the wound."

2. 2
   Initialism of permanent undersecretary. UK, abbreviation, alt-of, initialism
3. 3
   plural of PU form-of, plural
4. 4
   a fluid product of inflammation wordnet
5. 5
   the tenth month of the Hindu calendar wordnet

Verb

1. 1
   To emit pus. rare

   "For quotations using this term, see Citations:pus."

Synonyms

All synonyms

carrionchylecolostrumcorruptiondandruffdecay

Example

More examples

"Pus is coming out of my right ear."

Etymology

Learned borrowing from Latin pūs.

Related phrases

pus-guttedseropus push

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.