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Definition of senior

senior

/ˈsiːnjər/
sen · ior

Plural:seniors
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senior Lexical Profile

senior Game Scores & Validity

• adjective

1

Higher in rank, status, authority, or length of service within an organization or profession.

Example

"The decision requires approval from a senior manager before the budget can be finalized."


2

Of a more advanced age; older (often used after a father's name to distinguish him from a son with the same name).

Example

"George Bush Senior served as the forty-first president before his son was elected to the same office."


3

North American Relating to the final year of study at a four-year high school, college, or university.

Example

"During her senior year, she wrote an honors thesis on nineteenth-century literature."


4

Relating to or intended for older adults, especially those who have retired.

Example

"The community center offers discounted fitness classes and social events for senior residents."

Synonyms
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Antonyms
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• noun

1

An older adult, especially one over the age of sixty or sixty-five who is retired from full-time employment.

Example

"Public transit is free for seniors during off-peak weekday hours."


2

North American A student in the final year of study at a high school, college, or university.

Example

"High school seniors spend the autumn months submitting college applications."


3

A person who is older than another by a specified number of years, or who holds a higher rank or longer tenure.

Example

"Her husband was ten years her senior, yet they shared all the same interests."

Synonyms
View all synonyms for senior
Antonyms
View all antonyms for senior

Word Nuance & Usage

When comparing age or rank directly without a following noun, 'senior' takes the preposition 'to' rather than 'than' (e.g., 'She is senior to me in the department').

• Rhymes for senior

Word Origin & Etymology

Borrowed in the late 13th century from Anglo-French and directly from Latin senior ('older'), the comparative form of senex ('old'), ultimately derived from the Proto-Indo-European root *sen- ('old').

Cite this Entry


Wordmom. (2026). Definition of Senior. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/senior
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