fecundPronunciation: /ˈfɛk(ə)nd, ˈfiːk-/Translate fecund | into Italian Definition of fecund adjective producing or capable of producing an abundance of offspring or new growth; highly fertile:a lush and fecund garden producing many new ideas:her fecund imagination technical capable of bearing children. Derivatives fecundityPronunciation: /fɪˈkʌndɪti/ noun Origin: late Middle English: from French fécond or Latin fecundusfecund in other Oxford dictionaries Definition of fecund in the US English dictionary