The most common Korean word for “become inconvenient” is 불편해지다 (bulpyeonhaejida). 「become inconvenient」는 한국어로 불편해지다.
to become inconvenient
TOPIK 1 · verb
Words and levels: TOPIK I essentials (National Institute of Korean Language standard curriculum, KOGL Type 1) · examples: Cheesepotato