say it: truh-MEN-duh-slee
tremendously is an adverb meaning "extremely". It is pronounced /tɹəˈmɛndəsli/ — truh-MEN-duh-slee. It carries one recorded sense.
Definitions, synonyms and semantic relations for tremendously 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.