say it: VIG-ur-uhs
vigorous is an adjective meaning "characterized by forceful and energetic action or activity". It carries 2 recorded senses.
characterized by forceful and energetic action or activity
“a vigorous hiker”
“gave her skirt a vigorous shake”
“a vigorous campaign”
“a vigorous foreign policy”
“vigorous opposition to the war”
strong and active physically or mentally
“a vigorous old man who spent half of his day on horseback”
Definitions, synonyms and semantic relations for vigorous 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.