also: しゅぺりおりてぃーこんぷれっくす
noun
A psychological term for an exaggerated feeling of being better than others. Rare in everyday Japanese; the native term 優越感 (ゆうえつかん) is more common.
See also: 優越感
彼はスペリオリティーコンプレックスが強くて、いつも人を見下している。
He has a strong superiority complex and always looks down on others.
The opposite concept, 'inferiority complex', also a rare loanword.
Borrowed from English 'superiority complex'.