elegantと区別できない問題…

source: orihara izaya GIF - Find & Share on GIPHY

having or revealing an exaggerated sense of one's own importance or abilities: 自身の重要性や能力の誇張された意識を持つ、顕にする

〈人･態度･行為などが〉傲慢な, 横柄な

e.g. he's arrogant and opinionated: 彼は傲慢で独善的だ。

e.g. a typically arrogant assumption.: 典型的に傲慢な仮定

late Middle English: via Old French from Latin arrogant- ‘claiming for oneself’, from the verb arrogare (see arrogate).