proficuousとは 意味・読み方・使い方

形容詞

proficuous (comparative more proficuous, superlative most proficuous)

1. Useful or profitable.
   • 1672, Gideon Harvey, Morbus Anglicus, Or, The Anatomy of Consumptions:

     Liquors distilled from them , are experienced very proficuous

   • 1899, Thorstein Veblen, chapter 6, in The Theory of the Leisure Class […] ‎, New York: Macmillan, →OCLC:

     […] the master for whom [a ritual service] is performed is exalted above the vulgar need of actually proficuous service on the part of his servants.

派生語