operator

English Thesaurus

1. a shrewd or unscrupulous person who knows how to circumvent difficulties (noun.person)

hypernym	:	opportunist, self-seeker,
definition	:	a person who places expediency above principle (noun.person)

hyponym	:	wire-puller,
definition	:	one who uses secret influence (i.e. pulls wires or strings) for his own ends (noun.person)

domain usage	:	colloquialism,
definition	:	a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech (noun.communication)

2. an agent that operates some apparatus or machine (noun.person)

hypernym	:	causal agency, causal agent, cause,
definition	:	any entity that produces an effect or is responsible for events or results (noun.tops)

hyponym	:	company operator,
definition	:	an operator who works for a company (noun.person)

hyponym	:	driver,
definition	:	the operator of a motor vehicle (noun.person)

hyponym	:	elevator operator,
definition	:	an operator of an elevator (noun.person)

hyponym	:	engine driver, engineer, locomotive engineer, railroad engineer,
definition	:	the operator of a railway locomotive (noun.person)

hyponym	:	hoister,
definition	:	an operator of a hoist (noun.person)

hyponym	:	jockey,
definition	:	an operator of some vehicle or machine or apparatus (noun.person)

hyponym	:	motorman,
definition	:	the operator of streetcar (noun.person)

hyponym	:	radio operator,
definition	:	someone who operates a radio transmitter (noun.person)

hyponym	:	switchman,
definition	:	a man who operates railroad switches (noun.person)

hyponym	:	telegraph operator, telegrapher, telegraphist,
definition	:	someone who transmits messages by telegraph (noun.person)

hyponym	:	switchboard operator, telephone operator, telephonist,
definition	:	someone who helps callers get the person they are calling (noun.person)

3. someone who owns or operates a business (noun.person)

hypernym	:	businessman, man of affairs,
definition	:	a person engaged in commercial or industrial business (especially an owner or executive) (noun.person)

hyponym	:	supermarketeer, supermarketer,
definition	:	an operator of a supermarket (noun.person)

4. a speculator who trades aggressively on stock or commodity markets (noun.person)

hypernym	:	plunger, speculator,
definition	:	someone who risks losses for the possibility of considerable gains (noun.person)

5. (mathematics) a symbol or function representing a mathematical operation (noun.linkdef)

hypernym	:	function, map, mapping, mathematical function, single-valued function,
definition	:	(mathematics) a mathematical relation such that each element of a given set (the domain of the function) is associated with an element of another set (the range of the function) (noun.linkdef)

hyponym	:	linear operator,
definition	:	an operator that obeys the distributive law: A(f+g) = Af + Ag (where f and g are functions) (noun.linkdef)

hyponym	:	identity, identity element, identity operator,
definition	:	an operator that leaves unchanged the element on which it operates (noun.linkdef)

domain category	:	math, mathematics, maths,
definition	:	a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement (noun.cognition)

6. a shrewd or unscrupulous person who knows how to circumvent difficulties (noun.person)

derivation	:	hustle, pluck, roll,
definition	:	sell something to or obtain something from by energetic and especially underhanded activity (verb.possession)

7. an agent that operates some apparatus or machine (noun.person)

derivation	:	control, operate,
definition	:	handle and cause to function (verb.contact)

8. someone who owns or operates a business (noun.person)

derivation	:	operate, run,
definition	:	direct or control; projects, businesses, etc. (verb.social)

9. a shrewd or unscrupulous person who knows how to circumvent difficulties (noun.person)

derivation	:	hustle, pluck, roll,
definition	:	sell something to or obtain something from by energetic and especially underhanded activity (verb.possession)

10. an agent that operates some apparatus or machine (noun.person)

derivation	:	control, operate,
definition	:	handle and cause to function (verb.contact)

11. someone who owns or operates a business (noun.person)

derivation	:	operate, run,
definition	:	direct or control; projects, businesses, etc. (verb.social)