fructueux bedeutet auf Englisch

fruitful▼◼◼◼(productive, yielding benefits)
adjective
[UK: ˈfruːt.fəl] [US: ˈfruːt.fəl]I hope that your business trip to France was fruitful. = J'espère que ton déplacement professionnel en France a été fructueux.

profitable▼◼◼◻(producing profit)
adjective
[UK: ˈprɒ.fɪ.təb.l̩] [US: ˈprɑː.fə.təb.l̩]

unsuccessful▼◼◼◼(failed, not successful)
adjective
[UK: ˌʌn.sək.ˈses.fl̩] [US: ˌʌn.sək.ˈses.fl̩]All his attempts were unsuccessful. = Toutes ses tentatives ont été infructueuses.

unfruitful▼◼◼◻(Not bearing fruit)
adjective
[UK: ʌn.ˈfruːt.fəl] [US: ʌn.ˈfruːt.fəl]

unavailing▼◼◻◻(fruitless, futile, useless)
adjective
[UK: ˌʌ.nə.ˈveɪl.ɪŋ] [US: ˌʌ.nə.ˈveɪl.ɪŋ]