여간 + adj + -지 않다 · 여간 -ㄴ 게 아니다 (= very)
(with a negative) extremely, no ordinary, not a little
Example
혼자서 아이 셋을 키우는 건 여간 힘든 일이 아니에요.
Raising three kids alone is no easy job.
Word parts
Always paired with a negative to mean the opposite: 'not a little' means 'very'.
Good to know
여간 어렵지 않다 means 'extremely difficult', not 'not difficult'.
Related words