Meaning of SENIOR in English

I. senior 1 W2 BrE AmE adjective

[ Date: 1300-1400 ; Language: Latin ; Origin: 'older' , from senex 'old' ]

1 . having a higher position, level, or rank ⇨ junior :

the senior Democrat on the House committee

White men hold most of the jobs in senior management.

the senior partner in a law firm

senior to

He is also a diplomat, but senior to me.

2 . [only before noun] British English a senior competition is for older people or for people at a more advanced level:

I won the 60-metre race, my first senior success.

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■ nouns

▪ senior management

Within the week senior management approved her proposal.

▪ senior staff

Some senior staff criticized the headteacher's behaviour.

▪ a senior manager

She's now a senior manager for a large toy company.

▪ a senior executive (=in a company)

All the company's senior executives get large bonuses.

▪ a senior official (=in an organization)

a meeting of senior government officials

▪ a senior officer (=in the police or military)

Inspector Wild is the senior officer in charge of the investigation.

▪ a senior partner (=in a law firm etc)

He was a senior partner in a prestigious Canadian law firm.

▪ a senior member

The President announced a reshuffle involving several senior members of his Cabinet.

II. senior 2 BrE AmE noun [countable]

1 . American English a student in their last year of ↑ high school or university ⇨ freshman , junior , sophomore :

Jen will be a senior this year.

2 . especially American English a ↑ senior citizen :

Seniors can get a 10% discount.

3 . be two/five/ten etc years sb’s senior to be two, five, ten etc years older than someone ⇨ junior :

Her husband was nine years her senior.

4 . British English an adult or a person who has reached an advanced level in a particular sport ⇨ junior :

Juniors and seniors train together on Wednesdays.

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■ describing someone’s position in an organization

▪ senior used about someone who has an important position in an organization. Senior can also be used about someone who has a higher position than you in an organization:

a senior executive


She’s a senior partner in a law firm.


She is senior to me.

▪ chief [only before noun] used, especially in job titles, about someone who has the most important or one of the most important positions in an organization:

Carole is the company’s chief financial officer.


He’s the chief economist at Hangseng Bank.

▪ high-ranking [only before noun] used about someone who has a high position in an organization such as the government, the army, or the police:

high-ranking government officials


a high-ranking police officer

▪ top [only before noun] used about someone who is very good, important, or successful in their job:

a top lawyer


He’s one of the President’s top aides.


top diplomats

▪ junior used about someone who has a low position in an organization. Junior can also be used about someone who has a lower position than you in an organization:

a junior clerk


a junior doctor


His role as naval officer was junior to Nelson.

▪ assistant [only before noun] an assistant manager, director, editor etc has a position just below a manager etc:

He’s an assistant professor of neurology at Harvard University.


She became assistant director at the Belgrade Theatre.

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.