say it: oh-vur-ZEL-uhs
overzealous is an adjective meaning "marked by excessive enthusiasm for and intense devotion to a cause or idea". It carries one recorded sense.
marked by excessive enthusiasm for and intense devotion to a cause or idea
“rabid isolationist”
Definitions, synonyms and semantic relations for overzealous 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.