_______ is a synonym of 'hostile.AUnfriendlyBUnhappinessCCredibleDDisobedientAnswer: A. Unfriendly Read Explanation: Hostile means unfriendly, aggressive, or antagonistic.So, "Unfriendly" is the correct synonym.Let's look at the other options:Unhappiness – means sadness, not hostility.Credible – means believable or trustworthy.Disobedient – means not following rules, which is not the same as being hostile. Read more in App