say it: hir-tuh-FAWR
heretofore is an adverb meaning "used in negative statement to describe a situation that has existed up to this point or up to the present time". It is pronounced /ˌhɪɹtəˈfɔɹ/ — hir-tuh-FAWR. It carries one recorded sense.
Definitions, synonyms and semantic relations for heretofore 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.