The word "amical" comes from the French word "amicale" meaning friendly, affable, or pleasant. As such, its antonyms would revolve around negative qualities, such as hostile, unfriendly, unkind, rude, cold or unpleasant. These words would describe the opposite of amical, indicating a hostile, contentious, or acrimonious relationship. Other antonyms that could be used include antagonistic, adversarial, aggressive, confrontational, belligerent, discourteous or unsociable. Using such antonyms highlights the importance of a positive and friendly approach in interpersonal relationships and interactions, while also emphasizing the negative consequences of negative attitudes and behavior.