erstwhile
🇺🇸
/ˈɜːrstwaɪl/
🇬🇧
/ˈɜːstwaɪl/
adjective
R
used to describe something or someone that was such in the past but not anymore
She bumped into her erstwhile partner at the cafe.
彼女はカフェでかつてのパートナーと偶然出会った。
translation
かつての