Sentence examples for a fickle from inspiring English sources

The phrase "a fickle" is not correct in written English as it is incomplete and lacks context.
You can use "fickle" as an adjective to describe someone or something that is changeable or inconsistent, but it should be part of a complete phrase.
Example: "Her opinions are often fickle, changing from one day to the next."
Alternatives: "an unpredictable" or "a capricious".