깜깜하다

very dark; pitch-dark

Explanation

1. very dark; pitch-dark
So dark that there is nothing visible.

2. being at a loss
Having no idea what to do in the future.

3. ignorant
Having no knowledge or memory of a fact.

Examples
사방이 깜깜하다
밖이 깜깜하다
눈앞이 깜깜하다

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