The meaning of "a rebellious streak"
What does "a rebellious streak" mean in this sentence: "He has always had a rebellious streak"? Could you give me more examples of using this word? Thank you in advance.

Question

Answer

In this context "a...streak" means "a tendency to do..." For example:
"My wife has always had a wild streak in her."
=
"My wife has always had the tendency to act more wild then expected for a wife."

In the example you gave, it means that the person has a tendency to be rebellious.

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