senior meaning
ENWSenior
- Senior may refer to:
- Senior citizen, a common polite designation for an elderly person in both UK and US English
- Senior (surname)
- Senior (album), a 2010 album by Röyksopp
- Senior (education), a student in the final year of high school, college or university
- A suffix for the elder of two or more people in the same family with the same given name, usually a parent or grandparent
- Senior Bowl, a post-season college football exhibition game played in Mobile, Alabama
- Senior debt, a form of corporate finance
- Senior Chief Petty Officer, an E-8 in the United States Navy and United States Coast Guard
FR senior 
- NounPLseniorsSUF-ior
- AdjectiveCOMmore seniorSUPmost senior
- Older; superior.
- senior citizen
- Higher in rank, dignity, or office.
- senior member; senior counsel
- (US) Of or pertaining to a student's final academic year at a high school (twelfth grade) or university.
- Older; superior.
- More Examples
- Used in the Middle of Sentence
- Lib Dems were appalled by Mr Boles’s offer, however kindly meant: the party is so frightened of losing its independence under Mr Clegg that such a pact would “kill” him, says a senior member.
- A senior mall-goer in Florida repeats this sentiment: “My wife and I come here three times a week. I sit on the bench, watch people and read a lot."
- “We imagine that the Russians and the Chinese are going to play slowball here,” said a senior official involved in the sanctions talks.
- Used in the Middle of Sentence
Definition of senior in English Dictionary
- Part-of-Speech Hierarchy
- Adjectives
- Nouns
- Countable nouns
- Countable nouns
- Adjectives
Source: Wiktionary
Grammatically, this word "senior" is an adjective. It's also a noun, more specifically, a countable noun.