useful (usful)

[ The Scot, because he hath always been an useful Confederate to France against England, hath (among other Privileges) Right of Pre-emption or first choice of Wines in Bourdeaux. Howell , Letters, ii. 54. Now blind, dishearten'd, sham'd, dishonour'd, quell'd, To what can I be useful ? Milton , S. A., 1. 564. The useful arts are reproductions or new combinations, by the wit of man, of the same natural benefactors. Emerson, Nature. Useful invention. See invention. = Syn. Advantageous, serviceable, helpful, available, salutary. usefully (üs'ful-i), adv. In a useful manner; profitably; ably; beneficially; in such a manner as to effect or advance some end.