* It's a misspelling: Perhaps you meant "dubious" which means uncertain or doubtful.
* It's a regional word: There might be a specific region where "dubic" has a local meaning.
* It's a foreign word: "Dubic" could be a word from another language.
To help you find the correct meaning, please provide more context:
* Where did you see or hear the word "dubic"?
* What was the topic being discussed?
With more information, I can assist you better.