say it: ben-uh-FISH-uhl
beneficial is an adjective meaning "promoting or enhancing well-being". It carries one recorded sense.
promoting or enhancing well-being
“an arms limitation agreement beneficial to all countries”
“the beneficial effects of a temperate climate”
“the experience was good for her”
Definitions, synonyms and semantic relations for beneficial 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.