Meaning & use

senior

adjective, noun·Everyday

Last updated

UK/ˈsiː.ni.ər/
US/ˈsiː.njɚ/

Meanings

  1. adjectivenot comparable

    Higher in rank, status, or age than someone else.

    Grammar: Usually before a noun or after be: senior manager, she is senior to me.

    Patterns

    • senior to someone
    • senior manager
    • senior citizen

    She is a senior manager at the bank.

    He is senior to me by two years.

    The discount is for senior customers.

  2. nouncountableAmerican

    A student in the final year of high school or college.

    Grammar: American school use; plural seniors.

    Patterns

    • a high school senior
    • college seniors
    • the senior class

    My sister is a senior this year.

    Seniors are preparing for final exams.

    The senior class raised money for the library.

  3. nouncountable

    An older person, especially one past retirement age.

    Grammar: Often in senior citizen; alone can sound impersonal.

    Patterns

    • senior citizen
    • seniors' center

    The museum offers free entry to seniors on Tuesdays.

    A new seniors' center opened near the park.

    Seniors should check the fare discount rules.

Word forms

pluralseniors

Common combinations

senior manager
The senior manager approved the budget.
senior to someone
In this office, Ana is senior to Marco.
senior citizen
Senior citizens get a reduced bus fare.
senior year
He started applying to colleges during senior year.
senior class
The senior class painted a mural.

Synonyms and how they differ

elder
Older, especially within a family or traditional community; senior is broader for rank and school.
superior
Higher in rank, but it can sound like “better,” while senior mainly marks level or age.
older
Only compares age; it does not show rank or final-year school status.

Opposites

Word family

seniority noun
The fact of having a higher rank or having worked longer.
senior citizen noun
A polite phrase for an older adult, often retired.

Commonly confused: senior or junior? senior or seniority?

senior vs junior

Junior means lower in rank or younger; senior means higher or older.

senior vs seniority

Seniority is the noun for rank gained by age or length of service; senior is adjective or noun.

Practice

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