Synonyms of the word

spy

• n. A person who secretly watches and examines the actions of other individuals or organizations and gathers…
• v. (intransitive) To act as a spy.
• v. (transitive) To spot; to catch sight of.
• v. (intransitive) To search narrowly; to scrutinize.
• v. (transitive) To explore; to see; to view; inspect and examine secretly, as a country.

descry

• v. (transitive) To see.
• v. (transitive) To discover (a distant or obscure object) by the eye; to espy; to discern or detect.
• v. (transitive) To discover: to disclose; to reveal.

enquire

• v. (intransitive) To make an enquiry.
• v. (transitive, archaic) To ask about (something).

espy

• v. (transitive) To catch sight of; to perceive with the eyes; to discover, as a distant object partly concealed,…
• v. (transitive) To inspect narrowly; to examine and keep watch upon; to watch; to observe.
• v. (intransitive) To look or search narrowly; to look about; to watch; to take notice; to spy.

inquire

• v. (US) To ask (about something).
• v. To make an inquiry or an investigation.

investigate

• v. (transitive) To inquire into or study in order to ascertain facts or information.
• v. (transitive) To examine, look into, or scrutinize in order to discover something hidden or secret.
• v. (intransitive) To conduct an inquiry or examination.

looker

• n. (literally) One that looks (actively), watches.
• n. One having a specific look, appearance.
• n. (slang) Someone or something who is remarkably good-looking.

monitor

• n. Someone who watches over something; a person in charge of something or someone.
• n. A device that detects and informs on the presence, quantity, etc., of something.
• n. (computing) A device similar to a television set used as to give a graphical display of the output from…
• n. (computing) A program for viewing and editing.
• n. (Britain, archaic) A student leader in a class.
• n. (nautical) One of a class of relatively small armored warships designed for shore bombardment or riverine…
• n. (archaic) An ironclad.
• n. A monitor lizard.
• n. (obsolete) One who admonishes; one who warns of faults, informs of duty, or gives advice and instruction…
• n. (engineering) A tool holder, as for a lathe, shaped like a low turret, and capable of being revolved on…
• n. A monitor nozzle.
• v. (transitive) To watch over; to guard.

operative

• adj. Effectual or important.
• adj. Functional, in working order.
• adj. Having the power of acting; hence, exerting force, physical or moral; active in the production of effects.
• adj. Producing the appropriate or designed effect; efficacious.
• adj. Based upon, or consisting of, a surgical operation or operations.
• n. An employee or other worker with some particular function or skill.
• n. A spy, secret agent, or detective.
• n. A participant in an operation.

sight

• n. (in the singular) The ability to see.
• n. The act of seeing; perception of objects by the eye; view.
• n. Something seen.
• n. Something worth seeing; a spectacle.
• n. A device used in aiming a projectile, through which the person aiming looks at the intended target.
• n. A small aperture through which objects are to be seen, and by which their direction is settled or ascertained.
• n. (now colloquial) a great deal, a lot; frequently used to intensify a comparative.
• n. In a drawing, picture, etc., that part of the surface, as of paper or canvas, which is within the frame…
• n. (obsolete) The instrument of seeing; the eye.
• n. Mental view; opinion; judgment.
• v. (transitive) To register visually.
• v. (transitive) To get sight of (something).
• v. (transitive) To apply sights to; to adjust the sights of; also, to give the proper elevation and direction…
• v. (transitive) To take aim at.

sleuth

• n. (obsolete) An animal’s trail or track.
• n. (archaic) A sleuth-hound; a bloodhound.
• n. A detective.
• v. (intransitive, transitive) To act as a detective; to try to discover who committed a crime.
• n. (obsolete, uncountable) Slowness; laziness, sloth.
• n. (rare) A collective term for a group of bears.

snoop

• v. To be devious and cunning so as not to be seen.
• v. To secretly spy on or investigate, especially into the private personal life of others.
• n. The act of snooping.
• n. One who snoops.
• n. A private detective.

spectator

• n. One who watches an event; especially, one held outdoors.

spot

• n. A round or irregular patch on the surface of a thing having a different color, texture etc. and generally…
• n. A stain or disfiguring mark.
• n. A pimple, papule or pustule.
• n. A small, unspecified amount or quantity.
• n. (slang, US) A bill of five-dollar or ten-dollar denomination in dollars.
• n. A location or area.
• n. A parking space.
• n. (sports) An official determination of placement.
• n. A bright lamp; a spotlight.
• n. (US, advertising) A brief advertisement or program segment on television.
• n. Difficult situation; predicament.
• n. (gymnastics, dance, weightlifting) One who spots (supports or assists a maneuver, or is prepared to assist…
• n. (soccer) Penalty spot.
• n. The act of spotting or noticing something.
• n. A variety of the common domestic pigeon, so called from a spot on its head just above the beak.
• n. A food fish (Leiostomus xanthurus) of the Atlantic coast of the United States, with a black spot behind…
• n. The southern redfish, or red horse (Sciaenops ocellatus), which has a spot on each side at the base of…
• n. (in the plural, brokers' slang, dated) Commodities, such as merchandise and cotton, sold for immediate…
• n. An autosoliton.
• n. (finance) A decimal point; point.
• v. (transitive) To see, find; to pick out, notice, locate, distinguish or identify.
• v. (finance) To loan a small amount of money to someone.
• v. (transitive, intransitive) To stain; to leave a spot (on).
• v. To remove, or attempt to remove, a stain.
• v. (gymnastics, dance, weightlifting, climbing) To support or assist a maneuver, or to be prepared to assist…
• v. (dance) To keep the head and eyes pointing in a single direction while turning.
• v. To stain; to blemish; to taint; to disgrace; to tarnish, as reputation.
• v. To cut or chip (timber) in preparation for hewing.
• v. To place an object at a location indicated by a spot. Notably in billiards or snooker.
• adj. (commerce) Available on the spot; on hand for immediate payment or delivery.

stag

• n. An adult male deer.
• n. A colt, or filly.
• n. (by extension, obsolete) A romping girl.
• n. An improperly or late castrated bull or ram – also called a bull seg (see note under ox).
• n. An outside irregular dealer in stocks, who is not a member of the exchange.
• n. One who applies for the allotment of shares in new projects, with a view to sell immediately at a premium,…
• n. The Eurasian wren, Troglodytes troglodytes.
• n. (usually attributive) An unmarried male, a bachelor; a male not accompanying a female at a social event.
• n. A social event for males held in honor of a groom on the eve of his wedding, attended by male friends…
• n. A stag beetle (family Lucanidae).
• v. (intransitive, Britain) To act as a "stag", an irregular dealer in stocks.
• v. (transitive) To watch; to dog, or keep track of.
• adv. Of a man, attending a formal social function without a date.

supervise

• v. (transitive) To oversee or direct a task or organization.
• v. (transitive, obsolete) To look over so as to read; to peruse.

viewer

• n. Someone who views a spectacle; an onlooker or spectator.
• n. Someone who watches television.
• n. Any optical device used to view photographic slides.
• n. (computing) A program that displays the contents of a file.
• n. (mining, historical) The manager of a colliery, who directs its workings and ventilation.

watcher

• n. someone who watches or observes.
• n. someone who keeps vigil.
• n. a guard.

witness

• n. (uncountable) Attestation of a fact or event; testimony.
• n. (countable) One who sees or has personal knowledge of something.
• n. (countable) Someone called to give evidence in a court.
• n. (countable) Something that serves as evidence; a sign.
• v. (transitive) To furnish proof of, to show.
• v. (transitive) To take as evidence.
• v. (transitive) To see or gain knowledge of through experience.
• v. (intransitive, construed with to or for) To present personal religious testimony; to preach at (someone)…
• v. To see the execution of (a legal instrument), and subscribe it for the purpose of establishing its authenticity.