all of a sudden; abruptly

Explanation

1. all of a sudden; abruptly
In the manner that something stops suddenly.

2. resolutely
In the manner of speaking or behaving very firmly and definitely.

3. completely
In the state of something having been completely used up.

4. drastically; remarkably
In the manner that a grade, ranking, etc., falls or a degree gets weak very conspicuously.

5. considerably far away
Being located quite distantly.

Examples
말이 뚝 멎다
목소리가 뚝 멈추다
발길이 뚝 끊기다

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