An officer is a person who has a position of authority in the armed forces.
Officer is also used in the name of some people's jobs.
An official is a person who holds a position of authority in an organization, especially a government department or a trade union.
You do not use 'officer' or 'official' to refer to someone who works in an office. A person like this is called an office worker.
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Noun | 1. | ![]() armed forces, armed services, military, military machine, war machine - the military forces of a nation; "their military is the largest in the region"; "the military machine is the same one we faced in 1991 but now it is weaker" army officer - an officer in the armed forces; "he's a retired army officer" brass hat - a high-ranking military officer chief of staff - the senior officer of a service of the armed forces commissioned officer - a military officer holding a commission desk officer - a military officer who is not assigned to active duty executive officer - the officer second in command inspector general - a military officer responsible for investigations military adviser, military advisor - a military officer who serves as an adviser to the troops of an allied nation naval officer - an officer in the navy enlisted officer, noncom, noncommissioned officer - a military officer appointed from enlisted personnel military man, serviceman, man, military personnel - someone who serves in the armed forces; a member of a military force; "two men stood sentry duty" warrant officer - holds rank by virtue of a warrant Grigori Aleksandrovich Potemkin, Grigori Potemkin, Grigori Potyokin, Potemkin, Potyokin - a Russian officer and politician who was a favorite of Catherine II and in 1762 helped her to seize power; when she visited the Crimea in 1787 he gave the order for sham villages to be built (1739-1791) |
2. | officer - 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" holder - a person who holds something; "they held two hostages"; "he holds the trophy"; "she holds a United States passport" functionary, official - a worker who holds or is invested with an office probation officer - the officer of the court who supervises probationers sergeant at arms, serjeant-at-arms - an officer (as of a legislature or court) who maintains order and executes commands | |
3. | ![]() constabulary, police, police force, law - the force of policemen and officers; "the law came looking for him" bobby - an informal term for a British policeman police constable, constable - a police officer of the lowest rank gendarme - a French policeman inspector - a high ranking police officer motorcycle cop, motorcycle policeman, speed cop - a policeman who rides a motorcycle (and who checks the speeds of motorists) police matron, policewoman - a woman policeman Mountie - colloquial term for a member of the Royal Canadian Mounted Police shoofly - an undercover police officer who investigates other policemen traffic cop - a policeman who controls the flow of automobile traffic trooper - a mounted policeman state trooper, trooper - a state police officer | |
4. | ![]() Jack-tar, mariner, old salt, sea dog, seafarer, seaman, gob, Jack, tar - a man who serves as a sailor first mate, mate - the officer below the master on a commercial ship privateer, privateersman - an officer or crew member of a privateer purser - an officer aboard a ship who keeps accounts and attends to the passengers' welfare navigator, sailing master - the ship's officer in charge of navigation steward - the ship's officer who is in charge of provisions and dining arrangements supercargo - an officer on a merchant ship in charge of the cargo and its sale and purchase | |
Verb | 1. | officer - direct or command as an officer command - be in command of; "The general commanded a huge army" |