資料來源 : Webster's Revised Unabridged Dictionary (1913)

Fructuous \Fruc"tu*ous\, a. [L. fructuosus: cf, F. fructueux.]
   Fruitful; productive; profitable. [Obs.]

         Nothing fructuous or profitable.         --Chaucer.
   -- {Fruc"tu*ous*ly}, adv. -- {Fruc"tu*ous*ness}, n. [Obs.]