[syn: hustler, wheeler dealer, operator]
5. a speculator who trades aggressively on stock or commodity markets;
The Collaborative International Dictionary of English v.0.48:
Operator \Op"er*a`tor\, n. [L.]
1. One who, or that which, operates or produces an effect.
2. (Surg.) One who performs some act upon the human body by
means of the hand, or with instruments.
3. A dealer in stocks or any commodity for speculative
purposes; a speculator. [Brokers' Cant]
4. (Math.) The symbol that expresses the operation to be
performed; -- called also facient.
5. A person who operates a telephone switchboard.
6. A person who schemes and maneuvers adroitly or deviously
to achieve his/her purposes.
WordNet (r) 3.0 (2006):
n 1: (mathematics) a symbol or function representing a
2: an agent that operates some apparatus or machine; "the
operator of the switchboard" [syn: operator, manipulator]
3: someone who owns or operates a business; "who is the operator
of this franchise?"
4: a shrewd or unscrupulous person who knows how to circumvent
difficulties [syn: hustler, wheeler dealer, operator]
5: a speculator who trades aggressively on stock or commodity
Moby Thesaurus II by Grady Ward, 1.0:
105 Moby Thesaurus words for "operator":
Machiavellian, PBX operator, activist, actor, administrator,
adventurer, agent, architect, author, ball of fire, beaver,
behind-the-scenes operator, big operator, big wheel,
big-time operator, bustler, busy bee, central, coconspirator,
conductor, conniver, conspirator, conspirer, counterplotter,
creator, director, doer, driver, eager beaver, eminence grise,
engineer, enthusiast, executant, executor, executrix, exploiter,
fabricator, faker, finagler, fraud, functionary, gamesman,
go-getter, gray eminence, gunslinger, handler, human dynamo,
hustler, intrigant, intriguer, kingmaker, lame duck, live wire,
logroller, long distance, machinator, maker, man of action,
man of deeds, manager, maneuverer, manipulator, margin purchaser,
medium, militant, mover, new broom, operant, operative,
operative surgeon, opportunist, performer, perpetrator, pilot,
plotter, plunger, political activist, pork-barrel politician,
powerhouse, practitioner, prime mover, producer, runner, sawbones,
scalper, schemer, smart operator, smoothie, speculator, stag,
steersman, strategist, subject, superintendent, supervisor,
surgeon, switchboard operator, take-charge guy, telephone operator,
telephonist, wheeler-dealer, winner, wire-puller, wise guy,
The Free On-line Dictionary of Computing (30 December 2018):
A symbol used as a function, with infix
syntax if it has two arguments (e.g. "+") or prefix syntax if
it has only one (e.g. Boolean NOT). Many languages use
operators for built-in functions such as arithmetic and logic.