sty

verb

stied or styed; stying
Synonyms of stynext

transitive verb

: to lodge or keep in a sty

intransitive verb

: to live in a sty

Word History

First Known Use

before the 12th century, in the meaning defined at transitive sense

Time Traveler
The first known use of sty was before the 12th century

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Cite this Entry

“Sty.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sty. Accessed 10 Jun. 2026.

Kids Definition

sty

1 of 2 noun
plural sties also styes
: pigpen

sty

2 of 2 noun
variants or stye
ˈstī
plural sties or styes
: a painful red swelling of a skin gland on the edge of an eyelid
Etymology

Old English stig "a pen for swine"

a shortened form of obsolete styan "a painful swelling of a gland on the edge of the eyelid," from Old English stīgend (same meaning), from stīgan "to rise up"

Medical Definition

sty

noun
variants or stye
plural sties or styes
: an inflamed swelling of a sebaceous gland at the margin of an eyelid

called also hordeolum

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