Junior
Junior adjective - Having not so great importance or rank as another.
Usage example: junior advisers to the governor
Senior
Senior noun - One who is older than another.
Usage example: since the man next door is my senior by a number of years, I always address him as “Mr. Barton”
Junior is an antonym for senior in topics: elder, higher ranking, older person, older or of higher rank.
Nearby Word: seniority
Both words in one sentence
- Of course, some of his books he wrote in junior/senior high, which is a bit of an excuse.
Source: Same Story, Different Names - Phase has been in Montessori and prep schools his whole life, and is shooting for all 'A's while taking a huge courseload, including several junior/senior classes even though he's a frosh.
Source: The B Grade -
Unusual in the fact that it's a junior/senior high school; Phil and Pim attend the same school despite Pim starting off the series in 7th grade and Phil in 9th.
Source: Series / Phil of the Future
Cite this Source
Senior and Junior. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/junior/senior
Junior & Senior. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/junior/senior>.
Senior or Junior. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/junior/senior.
Google Ngram Viewer shows how "junior" and "senior" have occurred on timeline