좌절이 · 좌절을
frustration, setback, discouragement
Example
몇 번 실패했다고 좌절하지 마세요.
Don't get discouraged just because you failed a few times.
Word parts
좌 break down+절 snap
Literally 'bent and snapped', like a branch breaking.
Good to know
좌절 is being crushed by failure, not everyday annoyance; for that, use 짜증.
Related words