Any person in the armed services who holds a position of authority or command:
— An officer is responsible for the lives of his men.

synonym: military officer.

Roget 694: director, manager, governor, rector, comptroller.    superintendent, supervisor, straw boss; intendant; overseer, overlooker^†; supercargo^†, husband, inspector, visitor, ranger, surveyor, aedile^†; moderator, monitor, taskmaster; master etc. 745; leader, ringleader, demagogue, corypheus, conductor, fugleman^†, precentor^†, bellwether, agitator; caporal^†, choregus^†, collector, file leader, flugelman^†, linkboy^†.    guiding star etc. (guidance) 693; adviser etc. 695; guide etc. (information) 527; pilot; helmsman; steersman, steermate^†; wire-puller.    driver, whip, Jehu, charioteer; coachman, carman, cabman; postilion, vetturino^†, muleteer, arriero^†, teamster; whipper in.    head, head man, head center, boss; principal, president, speaker; chair, chairman, chairwoman, chairperson; captain etc. (master) 745; superior; mayor etc. (civil authority) 745; vice president, prime minister, premier, vizier, grand vizier, eparch^†.    officer, functionary, minister, official, red-tapist^†, bureaucrat; man in office, Jack in office; office bearer; person in authority etc. 745.    statesman, strategist, legislator, lawgiver, politician, statist^†, statemonger^†; Minos, Draco; arbiter etc. (judge) 967; boss [U.S.], political dictator.    board etc. (council) 696.    secretary, secretary of state; Reis Effendi; vicar etc. (deputy) 759; steward, factor; agent etc. 758; bailiff, middleman; foreman, clerk of works; landreeve^†; factotum, major-domo^†, seneschal, housekeeper, shepherd, croupier; proctor, procurator.    ... show more

Roget 726: combatant; disputant, controversialist, polemic, litigant, belligerent; competitor, rival, corrival^†; fighter, assailant; champion, Paladin; mosstrooper^†, swashbuckler fire eater, duelist, bully, bludgeon man, rough.    prize fighter, pugilist, boxer, bruiser, the fancy, gladiator, athlete, wrestler; fighting-cock, game-cock; warrior, soldier, fighting man, Amazon, man at arms, armigerent^†; campaigner, veteran; swordsman, sabreur^†, redcoat, military man, Rajput.    armed force, troops, soldiery, military forces, sabaoth^†, the army, standing army, regulars, the line, troops of the line, militia, yeomanry, volunteers, trainband, fencible^†; auxiliary, bersagliere^†, brave; garde-nationale, garde-royale [Fr.]; minuteman [U.S.]; auxiliary forces, reserve forces; reserves, posse comitatus [Lat.], national guard, gendarme, beefeater; guards, guardsman; yeomen of the guard, life guards, household troops.    janissary; myrmidon; Mama, Mameluke; spahee^†, spahi^†, Cossack, Croat, Pandoz.    irregular, guerilla, partisan, condottiere^†; franctireur [Fr.], tirailleur^†, bashi-bazouk; [guerilla organization names: list], vietminh, vietcong; shining path; contras; huk, hukbalahap.    mercenary, soldier of fortune; hired gun, gunfighter, gunslinger; bushwhacker, free lance, companion; Hessian.    hit man torpedo, soldier.    levy, draught; Landwehr [G.], Landsturm [G.]; conscript, recruit, cadet, raw levies.    infantry, infantryman, private, private soldier, foot soldier; Tommy Atkins^†, rank and file, peon, trooper, sepoy^†, legionnaire, legionary, cannon fodder, food for powder; officer etc. (commander) 745; subaltern, ensign, standard bearer; spearman, pikeman^†; spear bearer; halberdier^†, lancer; musketeer, carabineer^†, rifleman, jager [G.], sharpshooter, yager^†, skirmisher; grenadier, fusileer^†; archer, bowman.    horse and foot; horse soldier; cavalry, horse, artillery, horse artillery, light horse, voltigeur [Fr.], uhlan, mounted rifles, dragoon, hussar; light dragoon, heavy dragoon; heavy; cuirassier [Fr.]; Foot Guards, Horse Guards.    gunner, cannoneer, bombardier, artilleryman^†, matross^†; sapper, sapper and miner; engineer; light infantry, rifles, chasseur [Fr.], zouave; military train, coolie.    army, corps d'armee [Fr.], host, division, battalia^†, column, wing, detachment, garrison, flying column, brigade, regiment, corps, battalion, sotnia^†, squadron, company, platoon, battery, subdivision, section, squad; piquet, picket, guard, rank, file; legion, phalanx, cohort; cloud of skirmishers.    war horse, charger, destrier.    marine, man-of-war's man etc. (sailor) 269; navy, wooden walls, naval forces, fleet, flotilla, armada, squadron.    [ships of war] man-of-war; destroyer; submarine; minesweeper; torpedo-boat, torpedo-destroyer; patrol torpedo boat, PT boat; torpedo-catcher, war castle, H.   M.S.; battleship, battle wagon, dreadnought, line of battle ship, ship of the line; aircraft carrier, carrier.    flattop [Coll.]; helicopter carrier; missile platform, missile boat; ironclad, turret ship, ram, monitor, floating battery; first-rate, frigate, sloop of war, corvette, gunboat, bomb vessel; flagship, guard ship, cruiser; armored cruiser, protected cruiser; privateer.    [supporting ships] tender; store ship, troop ship; transport, catamaran; merchant marine.    ... show more

Roget 745: master, padrone; lord, lord paramount; commander, commandant; captain; chief, chieftain; sirdar^†, sachem, sheik, head, senior, governor, ruler, dictator; leader etc. (director) 694; boss, cockarouse^†, sagamore, werowance^†.    lord of the ascendant; cock of the walk, cock of the roost; gray mare; mistress.    potentate; liege, liege lord; suzerain, sovereign, monarch, autocrat, despot, tyrant, oligarch.    crowned head, emperor, king, anointed king, majesty, imperator [Lat.], protector, president, stadholder^†, judge.    ceasar, kaiser, czar, tsar, sultan, soldan^†, grand Turk, caliph, imaum^†, shah, padishah^†, sophi^†, mogul, great mogul, khan, lama, tycoon, mikado, tenno [Jap.], inca, cazique^†; voivode^†; landamman^†; seyyid^†; Abuna^†, cacique^†, czarowitz^†, grand seignior.    prince, duke etc. (nobility) 875; archduke, doge, elector; seignior; marland^†, margrave; rajah, emir, wali, sheik nizam^†, nawab.    empress, queen, sultana, czarina, princess, infanta, duchess, margravine^†; czarevna^†, czarita^†; maharani, rani, rectrix^†.    regent, viceroy, exarch^†, palatine, khedive, hospodar^†, beglerbeg^†, three-tailed bashaw^†, pasha, bashaw^†, bey, beg, dey^†, scherif^†, tetrarch, satrap, mandarin, subahdar^†, nabob, maharajah; burgrave^†; laird etc. (proprietor) 779; collector, commissioner, deputy commissioner, woon^†.    the authorities, the powers that be, the government; staff, etat major [Fr.], aga^†, official, man in office, person in authority; sircar^†, sirkar^†, Sublime Porte.    [Military authorities] marshal, field marshal, marechal^†; general, generalissimo; commander in chief, seraskier^†, hetman^†; lieutenant general, major general; colonel, lieutenant colonel, major, captain, centurion, skipper, lieutenant, first lieutenant, second lieutenant, sublieutenant, officer, staff officer, aide-de-camp, brigadier, brigade major, adjutant, jemidar^†, ensign, cornet, cadet, subaltern, noncommissioned officer, warrant officer; sergeant, sergeant major; color sergeant; corporal, corporal major; lance corporal, acting corporal; drum major; captain general, dizdar^†, knight marshal, naik^†, pendragon.    [Civil authorities] mayor, mayoralty; prefect, chancellor, archon, provost, magistrate, syndic; alcalde^†, alcaid^†; burgomaster, corregidor^†, seneschal, alderman, councilman, committeeman, councilwoman, warden, constable, portreeve^†; lord mayor; officer etc. (executive) 965; dewan^†, fonctionnaire [Fr.].    [Naval authorities] admiral, admiralty; rear admiral, vice admiral, port admiral; commodore, captain, commander, lieutenant, ensign, skipper, mate, master, officer of the day, OD; navarch^†.    ... show more

Dutch: officier

Someone who is appointed or elected to an office and who holds a position of trust:
— He is an officer of the court.
— The club elected its officers for the coming year.

synonym: officeholder.

A member of a police force:
— It was an accident, officer.

synonyms: police officer, policeman.

Roget 965: jurisdiction, judicature, administration of justice, soc; executive, commission of the peace; magistracy etc. (authority) 737.    judge etc. 967; tribunal etc. 966; municipality, corporation, bailiwick, shrievalty [Brit.]; lord lieutenant, sheriff, shire reeve, shrieve^†, constable; selectman; police, police force, the fuzz [Sarc.]; constabulary, bumbledom^†, gendarmerie [Fr.].    officer, bailiff, tipstaff, bum-bailiff, catchpoll, beadle; policeman, cop [Coll.], police constable, police sergeant; sbirro^†, alguazil^†, gendarme, kavass^†, lictor^†, mace bearer, huissier [Fr.], bedel^†; tithingman^†.    press gang; exciseman^†, gauger, gager^†, customhouse officer, douanier [Fr.].    coroner, edile^†, aedile^†, portreeve^†, paritor^†; posse comitatus [Lat.].    bureau, cutcherry^†, department, secretariat.    [extension of jurisdiction] long arm of the law, extradition.    ... show more

Dutch: politieagente, agent, bout, diender, flic, flik, gerechtsdienaar, glimmerik, juut, klabak, pandoer, politie, politieagent, politieambtenaar, politiebeambte, politieman, rakker, sjouter, smeris, tuut, wout ... show more
Polish: stróż prawa, stróż bezpieczeństwa, policjant

A person authorized to serve in a position of authority on a vessel:
— He is the officer in charge of the ship's engines.

synonym: ship's officer.

Polish: oficer żeglugi

Direct or command as an officer.