cohort
cohort — noun
- cohortsingular
- cohortsplural
1. people born around the same period or sharing a similar background, experiences,
people born around the same period or sharing a similar background, experiences, or characteristics — for instance, those born in the 1990s, or employees who joined a company in the same year
The oldest cohort in the national health study was born between 1946 and 1964.
cohort in [study context] — demographic tracking group
Researchers tracked a cohort of five hundred students from primary school through university.
cohort of [number] [people] — quantifying a study group
The company's management cohort from the eighties all retired around the same time.
Sora's age cohort grew up with the internet, so digital skills come naturally to them.
Each new cohort of trainees spends the first week learning factory safety procedures.
- generation
broader term covering family lineage and a ~25-year span; less precise than cohort
- age group
more informal and general; used for any age-based category
- peer group
emphasizes shared status and activities; common for younger people
- demographic
larger category defined by multiple variables, not just age
文法句型
cohort + of + [noun phrase]
用法筆記
Frequently used in academic and business writing. In statistics, a cohort has a specific defining characteristic (e.g. birth year) and is studied over time. Distinguish from sense 2 (FOLLOWERS), which describes a group united around a leader rather than a shared demographic feature.
常見錯誤
2. the people who rally behind a single individual — often a political leader or pr
the people who rally behind a single individual — often a political leader or prominent figure — and help promote that individual's aims
The senator arrived at the rally surrounded by a small cohort of loyal supporters.
cohort of [supporters] — group backing a person
Yasmin's cohort of campaign workers helped distribute flyers across the city every weekend.
The president's inner cohort included advisors who had been with him since his first campaign.
A cohort of young nurses shadowed the senior doctor during her morning rounds.
Diego gathered a cohort of volunteers to clean up the beach after the storm.
- following
less formal; refers to fans or admirers rather than active supporters
- entourage
more informal; often implies a celebrity's traveling companions
- retinue
very formal and historical; describes servants or attendants
- support base
neutral and strategic; common in political reporting
文法句型
cohort + of + [people noun phrase]
用法筆記
Can carry a slightly negative connotation when referring to a political inner circle, implying unquestioning loyalty or cronyism. In neutral contexts (a doctor's trainees, a team of volunteers) the tone is factual. See also sense 3 (COMPANION) for the individual counterpart.
常見錯誤
3. a person who accompanies or works alongside another person, often as a trusted a
a person who accompanies or works alongside another person, often as a trusted assistant or colleague
The general entered the conference room with his trusted cohort close behind him.
trusted cohort — companion with loyalty connotation
Theo worked alongside his cohort, a talented programmer who had joined the team the same week he did.
The CEO brought two cohorts from the head office to help with the negotiations.
Rohan and his cohorts set up the audio equipment before the conference began.
Each team leader was allowed to bring one cohort to the strategy meeting.
文法句型
possessive + cohort
cohort + of + [person]
用法筆記
This sense refers to an individual, not a group. It often appears in the plural (his cohorts) or with a possessive. In modern usage it can sound slightly negative or dismissive, especially when describing a politician's associates.