say it: VIG-ur
vigor is a noun meaning "forceful exertion". It carries 3 recorded senses.
forceful exertion
“he plays tennis with great energy”
“he's full of zip”
active strength of body or mind
an imaginative lively style (especially style of writing)
“his writing conveys great energy”
“a remarkable muscularity of style”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for vigor 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.