say it: im-PECH-wuhs
impetuous is an adjective meaning "characterized by undue haste and lack of thought or deliberation". It is pronounced /ˌɪmˈpɛtʃwəs/ — im-PECH-wuhs. It carries 2 recorded senses.
Definitions, synonyms and semantic relations for impetuous 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.