tipster

• POS: Noun
• HYPHEN: tip=ster

CIDE DICTIONARY

tipster, n. [Tip a hint + -ster.].

 One who makes a practice of giving or selling tips, or private hints or information, esp. for use in gambling upon the probable outcome of events, as horse races.  [Webster 1913 Suppl.]

OXFORD DICTIONARY

tipster, n. a person who gives tips, esp. about betting at horse-races.

THESAURUS

tipster

adventurer, adviser, announcer, annunciator, authority, betrayer, betting ring, bettor, boneshaker, canary, cardshark, cardsharp, cardsharper, channel, communicant, communicator, compulsive gambler, crap shooter, dopester, enlightener, expert witness, fink, gambler, gamester, gossipmonger, grapevine, hazarder, informant, information center, information medium, informer, interviewee, monitor, mouthpiece, nark, newsmonger, notifier, petty gambler, piker, player, plunger, press, public relations officer, publisher, punter, radio, reporter, sharp, sharper, sharpie, snitch, source, speculator, spokesman, sport, sporting man, sportsman, squealer, stool pigeon, talebearer, tattler, television, teller, tinhorn, tout, touter, venturer, wagerer, witness