say it: an-tuh-meh-RID-ee-uhn
antemeridian is an adjective meaning "before noon". It is pronounced /ˌæntəmɛˈɹɪdiən/ — an-tuh-meh-RID-ee-uhn. It carries one recorded sense.
before noon
Definitions, synonyms and semantic relations for antemeridian come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.