チーフchiifu

1. prenominal modifier, nounchief; head

• SynonymリーダーNeutralA loanword for someone who leads a team, stressing guiding the group's direction; 「チーフ」 stresses being in charge of a department or a specific job.
• Synonym主任しゅにんNeutralClosest in meaning to 「チーフ」: the person in charge of a job or department, also a job title as in 「主任看護師」. A Sino-Japanese word, slightly more formal.
• Synonym部長ぶちょうNeutralA specific post: head of a 「部」 department in a company, or of a school club; 「チーフ」 is a general term for a supervisor.
• Synonym長ちょうWrittenWritten/formal: the head of an organization, mostly used as a suffix in 「社長」「校長」 and rarely alone; 「チーフ」 can be used as a standalone form of address.
• SynonymボスCasualColloquial loanword: casually your boss or superior, but also a gang boss; 「チーフ」 leans toward the person in charge of a specific job.
• Synonym主席しゅせきFormalFormal: a top leader such as a national or party chairman, also the top student; far removed from 「チーフ」.
• Synonym首長しゅちょうFormalFormal: the head of an administrative organ, e.g. a governor or mayor, or broadly the head of an organization; not for an ordinary department head.
• Related上司じょうしNeutralSomeone above you in rank, defined relative to yourself; 「チーフ」 is a job title and need not be your own superior.
• RelatedキャプテンNeutralA loanword for a team captain, a ship's captain or the captain of an aircraft; 「チーフ」 is the person in charge of a department or a specific job in an organization.
• Related親方おやかたNeutralA master craftsman or sumo stable master, with a traditional master-apprentice flavor; 「チーフ」 is mostly used in modern organizations.
• Related組長くみちょうNeutralHead of a group named 「〜組」: most often a yakuza boss, also a construction crew foreman; the feel differs from 「チーフ」.
• Related隊長たいちょうNeutralThe commander of a 「隊」 unit such as a military troop, expedition or fire brigade; 「チーフ」 is in charge of a department or a specific job.
• Related総督そうとくFormalFormal: a governor-general ruling a territory, e.g. of a colony, strongly historical; far removed from the everyday supervisor that 「チーフ」 denotes.
• Related旗頭はたがしらWrittenWritten: the standard-bearer or leading figure of a faction, as in 「改革派の旗頭」; not used as a job title.
• Related棟梁とうりょうWrittenWritten: a master carpenter or foreman on a building site, still used that way today; also a metaphor for a pillar of the nation. Not for ordinary company departments.
• Related上役うわやくNeutralSomeone of higher rank in your own section, with a slightly dated feel; in daily speech say 「上司」. Unlike 「チーフ」, it is not a job title.
• Related酋長しゅうちょうFormalFormal: a tribal chieftain, also a bandit leader; rare in modern use and far from how 「チーフ」 is used.
• Related主将しゅしょうNeutralThe captain of a sports team, also a general leading an army; somewhat formal and close to 「キャプテン」.
• Related頭領とうりょうWrittenWritten: the head of a group, said mainly of bandits or warrior bands and rare today; for a modern organization's chief, say 「チーフ」.
• Relatedお頭おかしらNeutralAn honorific for a boss or chieftain, seen mostly in period dramas for bands of outlaws; for a modern person in charge, use 「チーフ」.
• Related頭目とうもくWrittenWritten: the head of a gang or band, often with a negative nuance; 「チーフ」 is a neutral job title.
• Related総大将そうだいしょうWrittenWritten: the supreme commander of a whole army, also figuratively the top figure of an entire group; 「チーフ」 usually heads a department or a specific job.
• AntonymサブNeutralA loanword for a deputy or substitute, often a prefix as in 「サブリーダー」; the opposite of 「チーフ」 as the person in charge.
• Antonym部下ぶかNeutralA subordinate who follows orders under a leader; the opposite of 「チーフ」 as the person in charge.

For the person in charge of a department or a specific job, use 「チーフ」 or 「主任」, as in 「チーフデザイナー」. For someone leading a team, say 「リーダー」; for a sports team, 「キャプテン」. 「部長」 is a specific company post, 「上司」 your own superior, 「ボス」 a casual boss or gang boss; 「部下」 and 「サブ」 are the opposite side. Terms like 「頭領」「頭目」「総督」「主席」「首長」 are formal or written words for other kinds of leaders.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. （組織そしきなどの）長ちょう、主任しゅにん。