Main entry: senior
Definition: older; higher in rank; longer in length of tenure or service
Usage: senior officer
Antonyms: junior
Definition: younger; lower in rank; shorter in length of tenure or service
Antonyms: minor
Definition: inferior in number or size or amount
Antonyms: minor
Definition: lesser in scope or effect
Antonyms: minor, nonaged, underage
Definition: not of legal age
Antonyms: minor
Definition: of a scale or mode
Antonyms: minor
Definition: of your secondary field of academic concentration or specialization
Antonyms: minor
Definition: of lesser importance or stature or rank
Antonyms: minor
Definition: of lesser seriousness or danger
Antonyms: inferior
Definition: one of lesser rank or station or quality
Antonyms: inferior
Definition: of or characteristic of low rank or importance
Antonyms: inferior
Definition: of low or inferior quality
Antonyms: inferior
Definition: having an orbit between the sun and the Earth's orbit
Main entry: fourth-year, senior
Definition: used of the fourth and final year in United States high school or college
Usage: the senior prom
Antonyms: first
Definition: preceding all others in time or space or degree
Main entry: older, senior, aged, elderly
Definition: advanced in years; (`aged' is pronounced as two syllables)
Usage: aged members of the society; elderly residents could remember the construction of the first skyscraper; senior citizen
Antonyms: new
Definition: not of long duration; having just (or relatively recently) come into being or been made or acquired or discovered
Definition: (used of living things especially persons) in an early period of life or development or growth