also: すてきじょし
noun
perfect woman; ideal woman; woman other women admire
Colloquial, often used among young women to describe a woman who seems to have it all: style, career, personality, etc. Can be aspirational or slightly envious.
彼女は仕事もできておしゃれで、まさにステキ女子だよね。
She's good at her job and stylish—she's really a perfect woman, isn't she?
インスタで見るステキ女子に憧れる。
I admire the ideal women I see on Instagram.
Compound of ステキ (suteki, 'lovely, wonderful') and 女子 (joshi, 'girl, young woman'). The katakana spelling ステキ adds a trendy, casual feel.