WordNet

of or characteristic of high rank or importance; "a superior ruler"
one of greater rank or station or quality (同)higher-up, superordinate
the head of a religious community
(often followed by `to'
(sometimes followed by `to'
having an orbit farther from the sun than the Earths orbit; "Mars and Jupiter are the closest in of the superior planets"
of high or superior quality or performance; "superior wisdom derived from experience"; "superior math students"
a continuous portion of a circle
a town in northwest Wisconsin on Lake Superior across from Duluth
a whitish deposit in the shape of an arc that is sometimes seen in the cornea (同)arcus_senilis

PrepTutorEJDIC

(程度・質が)『普通(平均)以上に優れた』,優秀な / (地位・階級などが)『上位の』,上級の,目上の / (数量的に)勝る,優勢な / (用動が)偉ぶった,高慢な / 《補語にのみ用いて》(…に)屈しない,動じない《+to+名》 / 《名詞の前にのみ用いて》(動・植物の器官や部分が)上位の,上についている / (地位・階級などが)『上位の人』,上役,上司,先輩 / 『いっそう優れた人』 / 《しばしば S-》修道院長
『弧』,円弧 / 電弧(2点間を弧状に流れる電流) / 弧を描く / 電弧を生じる
スペリオル湖(lake~;北米五大湖中で最北最大のもの)