Antrim

geographical name

1
traditional county of northeastern Northern Ireland
2
district of eastern Northern Ireland bordering on Lough Neagh, established 1974 area 217 square miles (564 square kilometers)

Browse Nearby Words

Cite this Entry

“Antrim.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Antrim. Accessed 30 Aug. 2026.

More from Merriam-Webster on Antrim

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!