say it: FROOT-fuhl
fruitful is an adjective meaning "productive or conducive to producing in abundance". It carries one recorded sense.
productive or conducive to producing in abundance
“be fruitful and multiply”
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 fruitful 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.