| Date: | 1300-1400 |
| Language: | Latin |
| Origin: | 'older', from senex 'old' |
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senior1 W2
1 having a higher position, level, or rank [↪ junior]:
the senior Democrat on the House committee
the senior Democrat on the House committee2 [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.
I won the 60 metre race, my first senior success.