Refers to a person's overall appearance, fashion style, or the visual impression of clothing and accessories. Often used in compound terms like ニュールック (new look) or カジュアルルック (casual look).
Her look today is very chic.
He's popular because he has a good look.
Let's check out the new looks for this spring.
She's very particular about the look of her clothes.
ルック (look/appearance) and ロック (lock, or rock music) sound and look similar in katakana but have completely unrelated meanings.
without looking; no-look · sight unseen; without seeing in person
poor look; shabby appearance
bare look; natural look
matching couple outfits
new look
baggy look; baggy fashion
pants outfit; pants look
marine look
makruk; Thai chess
middy look
Borrowed from English 'look', used in Japanese primarily in fashion and style contexts since the mid-20th century.