1.
different person, someone else entirely
A completely different person. Often used figuratively to describe someone who has changed so dramatically in appearance, personality, or behavior that they seem like a different person.
まるで別人のようだ。
It's as if they're a completely different person.
ダイエットに成功して別人みたいになった。
After successfully dieting, they look like a completely different person.
久しぶりに会った彼は別人のように明るくなっていた。
When I met him again after a long time, he had become so cheerful he seemed like a different person.
COMMON COLLOCATIONS:
- 別人のようだ (be like a different person)
- まるで別人 (just like a different person)
- 別人に生まれ変わる (be reborn as a different person)
Very frequently used in the pattern 別人のよう or 別人みたい to describe dramatic transformations in someone's appearance, personality, or ability.