operator

• POS: Noun
• HYPHEN: op=er=a=tor

CIDE DICTIONARY

operator, n. [L.].

•  One who, or that which, operates or produces an effect.  [1913 Webster]
•  One who performs some act upon the human body by means of the hand, or with instruments.  [1913 Webster]
•  A dealer in stocks or any commodity for speculative purposes; a speculator.  [1913 Webster]
•  The symbol that expresses the operation to be performed; -- called also facient.  [1913 Webster]
•  A person who operates a telephone switchboard.  [PJC]
•  A person who schemes and maneuvers adroitly or deviously to achieve his/her purposes.  [PJC]

OXFORD DICTIONARY

operator, n.
1 a person operating a machine etc., esp. making connections of lines in a telephone exchange.
2 a person operating or engaging in business.
3 colloq. a person acting in a specified way (a smooth operator).
4 Math. a symbol or function denoting an operation (e.g. x, +).

Etymology

LL f. L operari (as OPERATE)

THESAURUS

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, worker

ROGET THESAURUS

operator

Remedy

N remedy, help, cure, redress, medicine, medicament, diagnosis, medical examination, medical treatment, surgery, preventive medicine, clinical thermometer, stethoscope, X-ray machine, anthelmintic, antidote, antifebrile, antipoison, counterpoison, antitoxin, antispasmodic, bracer, faith cure, placebo, helminthagogue, lithagogue, pick-meup, stimulant, tonic, vermifuge, prophylactic, corrective, restorative, sedative, palliative, febrifuge, alterant, alterative, specific, antiseptic, emetic, analgesic, pain-killer, antitussive, antiinflammatory, antibiotic, antiviral, antifungal, carminative, Nepenthe, Mithridate, cure, treatment, regimen, radical cure, perfect cure, certain cure, sovereign remedy, examination, diagnosis, diagnostics, analysis, urinalysis, biopsy, radiology, medicine, physic, Galenicals, simples, drug, pharmaceutical, prescription, potion, draught, dose, pill, bolus, injection, infusion, drip, suppository, electuary, linctus, lincture, medicament, pharmacon, nostrum, receipt, recipe, prescription, catholicon, panacea, elixir, elixir vitae, philosopher's stone, balm, balsam, cordial, theriac, ptisan, agueweed, arnica, benzoin, bitartrate of potash, boneset, calomel, catnip, cinchona, cream of tartar, Epsom salts, feverroot, feverwort, friar's balsam, Indian sage, ipecac, ipecacuanha, jonquil, mercurous chloride, Peruvian bark, quinine, quinquina, sassafras, yarrow, salve, ointment, cerate, oil, lenitive, lotion, cosmetic, plaster, epithem, embrocation, liniment, cataplasm, sinapism, arquebusade, traumatic, vulnerary, pepastic, poultice, collyrium, depilatory, emplastrum, eyewater, vesicant, vesicatory, compress, pledget, bandage, treatment, medical treatment, regimen, dietary, dietetics, vis medicatrix, vis medicatrix naturae, medecine expectante, bloodletting, bleeding, venesection, phlebotomy, cupping, sanguisae, leeches, operation, surgical operation, transfusion, infusion, intravenous infusion, catheter, feeding tube, prevention, preventative medicine, immunization, inoculation, vaccination, vaccine, shot, booster, gamma globulin, pharmacy, pharmacology, pharmaceutics, pharmacopoeia, formulary, acology, Materia Medica, therapeutics, posology, homeopathy, allopathy, heteropathy, osteopathy, hydropathy, cold water cure, dietetics, surgery, chirurgery, chirurgy, healing art, leechcraft, orthopedics, orthopedy, orthopraxy, pediatrics, dentistry, midwifery, obstetrics, gynecology, tocology, sarcology, hospital, infirmary, pesthouse, lazarhouse, lazaretto, lock hospital, maison de sante, ambulance, dispensary, dispensatory, drug store, pharmacy, apothecary, druggist, chemist, Hotel des Invalides, sanatorium, spa, pump room, well, hospice, Red Cross, doctor, physician, surgeon, medical practitioner, general practitioner, specialist, medical attendant, apothecary, druggist, leech, osteopath, osteopathist, optometrist, ophthalmologist, internist, oncologist, gastroenterologist, epidemiologist, public health specialist, dermatologist, podiatrist, witch doctor, shaman, faith healer, quack, exorcist, Aesculapius, Hippocrates, Galen, accoucheur, accoucheuse, midwife, oculist, aurist, operator, nurse, registered nurse, practical nurse, monthly nurse, sister, nurse's aide, candystriper, dresser, bonesetter, pharmaceutist, pharmacist, druggist, chemist, pharmacopolist, remedial, restorative, corrective, palliative, healing, sanatory, sanative, prophylactic, preventative, immunizing, salutiferous, medical, medicinal, therapeutic, chirurgical, epulotic, paregoric, tonic, corroborant, analeptic, balsamic, anodyne, hypnotic, neurotic, narcotic, sedative, lenitive, demulcent, emollient, depuratory, detersive, detergent, abstersive, disinfectant, febrifugal, alterative, traumatic, vulnerary, allopathic, heteropathic, homeopathic, hydropathic, anthelmintic, antifebrile, antiluetic, aperient, chalybeate, deobstruent, depurative, laxative, roborant, dietetic, alimentary, nutritious, nutritive, peptic, alexipharmic, alexiteric, remediable, curable, aux grands maux les grands remedes, Dios que da la llaga da la medicina, para todo hay remedio sino para la muerte, temporis ars medicina fere est, the remedy is worse than the disease, throw physic to the dogs, I'll none of it.

Agent

N doer, actor, agent, performer, perpetrator, operator, executor, executrix, practitioner, worker, stager, bee, ant, working bee, termite, white ant, laboring oar, servant of all work, factotum, workman, artisan, craftsman, handicraftsman, mechanic, operative, working man, laboring man, demiurgus, hewers of wood and drawers of water, laborer, navvy, hand, man, day laborer, journeyman, charwoman, hack, mere tool, beast of burden, drudge, fag, lumper, roustabout, maker, artificer, artist, wright, manufacturer, architect, builder, mason, bricklayer, smith, forger, Vulcan, carpenter, ganger, platelayer, blacksmith, locksmith, sailmaker, wheelwright, machinist, mechanician, engineer, sempstress, semstress, seamstress, needlewoman, workwoman, tailor, cordwainer, minister, servant, representative, coworker, party to, participator in, particeps criminis, dramatis personae, personnel, quorum pars magna fui, faber est quisque fortunae suae.

Stock Market

N stock market, stock exchange, securities exchange, bourse, board, the big board, the New York Stock Exchange, the market, the open market, over-the-counter market, privately traded issues, commodities exchange, futures exchange, futures market, the pit, the floor, ticker, stock ticker, quotation, stock index, market index, the Dow Jones Index, the Dow Industrials, the transportation index, utilities, the utilities index, the New York Stock Exchange index, the Nikkei index, the Financial Times index, the FTI, the over-the-counter index, NASDAQ index, broker, stockbroker, jobber, stock dealer, odd-lot dealer, specialist, investor, speculator, operator, bull, buyer, bear, short seller, scalper, arbitrager, arbitrageur, stockholder, share-holder, stockholder of record, bond holder, coupon- clipper, investment, speculation.