| Speculator 1. (n.) One who buys and sells goods with the expectation of deriving profit from fluctuations in price. 2. (n.) One who speculates. Specifically: (a) An observer; a contemplator; hence, a spy; a watcher. 3. (n.) One who forms theories; a theorist. Thesaurus Entries adventurer, armchair authority, betting ring, bettor, big operator, boneshaker, cardshark, cardsharp, cardsharper, casuist, compulsive gambler, cosmologist, crap shooter, doctrinaire, doctrinarian, gambler, gamester, gunslinger, hazarder, hypothesist, hypothesizer, lame duck, margin purchaser, metaphysician, operator, petty gambler, philosophaster, philosophe, philosopher, philosophizer, piker, player, plunger, punter, scalper, sharp, sharper, sharpie, smart operator, sophist, sport, sporting man, sportsman, stag, theoretic, theoretician, theorist, theorizer, thinker, tinhorn, tipster, tout, venturer, wagerer |