What does 'Uncharted waters' mean?

If you're in uncharted waters, you are in a situation that is unfamiliar to you, that you have no experience of and don't know what might happen. ('Unchartered waters' is an incorrect form that is a common mistake.)

Idioms similar to 'Uncharted waters'


All idioms have been editorially reviewed, and submitted idioms may have been edited for correctness and completeness.

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