/ Dictionary / Index U Usenet: Meaning and Definition of Find definitions for: Use•net Pronunciation: (yz'net", ys'-), [key] an extensive system of newsgroups: a branch of the Internet. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. useless user Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language