불안감이 · 불안감을
(feeling of) anxiety, unease
Example
시험을 앞두고 불안감 때문에 잠을 못 잤어요.
Ahead of the exam, I couldn't sleep because of anxiety.
Word parts
불 not+안 at ease+감 feeling
Literally 'not-at-ease feeling'. -감 = feeling: 피로감, 자신감.
Good to know
Pronounced [부란감]; the usual verb is 느끼다: 불안감을 느끼다.
Related words