say it: SUHTH-urn-mohst
southernmost is an adjective meaning "situated farthest south". It is pronounced /ˈsʌðɚnˌmoʊst/ — SUHTH-urn-mohst. It carries one recorded sense.
Definitions, synonyms and semantic relations for southernmost 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.