senior

1. senior (adj) — sense 1

Definition: Older.

Example: senior citizen

2. senior (adj) — sense 2

Definition: Higher in rank, dignity, or office; superior.

Example: senior member; senior counsel

3. senior (adj) — sense 3

Definition: Of or pertaining to a student's final academic year at a high school (twelfth grade) or university.

4. senior (noun) — sense 4

Definition: An old person.

Example: Grave and reverend seniors seemed to have caught the prevailing spirit as badly as the students, and I saw white-bearded men rising and shaking their fists at the obdurate Professor.

5. senior (noun) — sense 5

Definition: Someone older than someone else (with possessive).

Example: He was four years her senior.

6. senior (noun) — sense 6

Definition: Someone seen as deserving respect or reverence because of their age.