Choose the word that describes the best antonym (opposite) of the following words.
Dubious

Certain

The best antonym for dubious is certain.

• Dubious means doubtful, uncertain, or questionable.
• Certain means sure, confident, or unquestionable.

The other options are not opposites of dubious.

• Doubtful means uncertain or undecided.
• Docile means easily managed or controlled.
• Faithful means loyal, devoted, or trustworthy.