Cohort: Definition, Meaning, and Examples

Last Updated on
January 29, 2025

1. Cohort (noun): A group of people with a shared characteristic or experience, often used in social, academic, or statistical contexts.
2. Cohort (noun, historical): In ancient Rome, a military unit consisting of a subdivision of a legion.
3. Cohort (noun, informal): A companion, colleague, or associate.

The word "cohort" is a versatile term with historical, statistical, and colloquial applications. From its origins in Roman military structure to its modern-day usage in research and social contexts, "cohort" serves as a powerful way to describe groups bound by shared experiences or goals. Read on to explore its meanings, usage, and broader applications.

"Cohort" Definition: What Does "Cohort" Mean?

The term "cohort" encompasses several definitions, reflecting its evolution from ancient to contemporary contexts. Below, these meanings are outlined in detail.

Definition of "Cohort": Group with Shared Characteristics

In modern usage, "cohort" often refers to a group of individuals sharing a common characteristic, such as a demographic, an experience, or a time period. This is a key term in fields like sociology, education, and epidemiology.

Definition of "Cohort": Roman Military Unit

Historically, a "cohort" was a subdivision of a Roman legion consisting of approximately 300 to 600 soldiers. It played a crucial role in the organization of Roman military strategy.

Definition of "Cohort": Companion or Associate

In a more informal sense, "cohort" can also describe a companion, colleague, or ally, emphasizing camaraderie or partnership.

Parts of Speech

"Cohort" functions exclusively as a noun and is typically used to describe a group or an individual within a group. As a singular noun, it may denote a specific group (e.g., "The 2023 graduating cohort"). In plural form, "cohorts" can refer to multiple groups or allies (e.g., "Several cohorts worked on the project").

How to Pronounce "Cohort"?

The pronunciation of "cohort" is straightforward, featuring two syllables with the primary stress on the first syllable.

Begin with the "co" sound, pronounced like the "co" in "cold." Follow this with the "hort" sound, which rhymes with "fort." Speak it clearly for precise articulation.

Phonetic Pronunciation: /ˈkoʊ.hɔːrt/

Synonyms of "Cohort": Other Ways to Say "Cohort"

Expanding your vocabulary with synonyms for "cohort" can enhance communication in different contexts.

  • Group
  • Team
  • Company
  • Circle
  • Colleague
  • Companion
  • Class
  • Division
  • Platoon
  • Band

Antonyms of "Cohort": Other Ways to Say "Cohort"

Antonyms of "cohort" emphasize individuality or a lack of association with a group.

  • Individual
  • Solo
  • Outsider
  • Loner
  • Opponent
  • Adversary
  • Stranger
  • Competitor
  • Enemy
  • Isolate

Examples of "Cohort" in a Sentence

Using "cohort" in various contexts can illustrate its flexibility and range of meanings.

  1. The study focused on a cohort of participants aged 18 to 25.
  2. The ancient Roman cohort marched into battle with precision and discipline.
  3. She and her cohort of friends organized the charity event.
  4. Each graduating cohort brings new energy to the university.
  5. The cohort of researchers worked tirelessly on the project.
  6. In the military, the cohort structure ensured effective communication among soldiers.
  7. The epidemiologist analyzed data from a cohort exposed to the new vaccine.
  8. He trusted his cohort to handle the negotiations.
  9. The employees formed a cohort to advocate for better working conditions.
  10. The historical museum displayed artifacts from a Roman cohort.

Frequency of Use

The word "cohort" is frequently used in academic, professional, and historical contexts. Its popularity has increased in fields such as education, public health, and sociology, where it describes groups for research or study. While "cohort" is less common in casual conversation, it remains a staple in technical and specialized discussions.

Variants of "Cohort"

"Cohort" has few direct variants but can appear in specialized forms:

  1. Cohorts (plural): Refers to multiple groups or allies.
  2. Cohort-based: An adjective describing something structured around a cohort, such as "cohort-based learning."

Related Terms to "Cohort"

Exploring related terms helps contextualize "cohort" within broader frameworks.

  1. Group
  2. Class
  3. Platoon
  4. Segment
  5. Demographic
  6. Population
  7. Division
  8. Subgroup
  9. Circle
  10. Company

Etymology: History and Origins of "Cohort"

The word "cohort" originates from the Latin term cohors, which referred to an enclosure or courtyard and later to a Roman military unit. By the Middle Ages, it expanded to describe groups or companies of people. Over time, "cohort" evolved to signify military units and broader groups or companions. Today, it is widely used in academic and professional contexts to describe collective groups bound by shared characteristics or experiences.

Derivatives and Compounds of "Cohort"

Several derivatives and compounds expand the application of "cohort":

  1. Cohorting: The act of grouping individuals into cohorts.
  2. Cohort study: A type of research study focusing on specific groups over time.
  3. Cohort analysis: Statistical analysis of data grouped by cohort.

Common Misspellings of "Cohort"

Misspellings of "cohort" are rare but may occur in casual writing:

  1. Cohert
  2. Cohourt
  3. Chohort

10 Idioms Similar to "Cohort"

Idioms that convey group dynamics or companionship align well with "cohort":

  1. Birds of a feather
  2. In the same boat
  3. Thick as thieves
  4. A band of brothers
  5. All in together
  6. On the same page
  7. A shoulder to lean on
  8. Team up
  9. Strength in numbers
  10. Partners in crime

10 Common Questions About "Cohort"

1. What does "cohort" mean in research?

In research, a "cohort" refers to a group of people with shared characteristics, often studied over a period of time.

2. What is the historical meaning of "cohort"?

Historically, "cohort" referred to a Roman military unit, typically consisting of 300 to 600 soldiers.

3. Can "cohort" refer to a single person?

Yes, in informal usage, "cohort" can refer to a single companion or associate.

4. How is "cohort" used in education?

In education, "cohort" describes a group of students who progress through a program or curriculum together.

5. Is "cohort" a formal word?

Yes, "cohort" is commonly used in formal academic and professional contexts.

6. What is a "cohort study" in public health?

A "cohort study" is a research method that follows a specific group over time to study outcomes or trends.

7. Are there plural forms of "cohort"?

Yes, the plural form is "cohorts," used when referring to multiple groups or allies.

8. Can "cohort" mean colleague?

Yes, in informal speech, "cohort" can refer to a colleague or partner.

9. How does "cohort" relate to demographics?

In demographics, a "cohort" represents a group of people defined by shared attributes such as age or location.

10. Is "cohort" a commonly used word?

Yes, "cohort" is frequently used in academic, professional, and historical contexts.

Conclusion

The word "cohort" is a versatile and meaningful term describing groups of people or entities with shared characteristics or goals. From its historical roots in Roman military organization to its modern applications in research and education, "cohort" captures the essence of collective experience. Embrace its usage to enhance your understanding of group dynamics and explore richer vocabulary on the site.

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