上席|じょうせきjouseki[0]heiban (flat)

1. no-adjectiveseniority; precedence; upper seat

• Related先輩せんぱいNeutralRefers to a senior in the order-of-seniority sense — someone ahead of you in years or experience. 「上席」 stresses higher job rank, or the seat of honour at a banquet.
• Related目上めうえNeutralRefers to superiors and elders, stressing higher status or age; it does not refer to seats, unlike 「上席」.
• Antonym末席まっせきWrittenWritten/formal prose for the last or lowest seat, or the bottom of a ranking — the opposite of 「上席」.
• Antonym下席WrittenWritten/formal prose for the lower seat, the direct opposite of the upper-seat sense of 「上席」.

Use 「上席」 for a higher job rank or a position above others, as in 「上席研究員」; for the seat of honour at a banquet say 「上座」. Use 「先輩」 for a senior in the seniority sense, 「目上」 for elders and superiors, and 「末席」 for the lowest seat or rank.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 上位じょういの席次せきじ。上座かみざ。
2. 上位じょういの階級かいきゅう。上級じょうきゅう。