Instead of "tanned one's hide," a few synonymous phrases could be used to convey the same meaning. For instance, "whipped one's hide," "thrashed one's hide," or "spanked one's hide" would all indicate that someone was punished severely. Conversely, some antonyms for "tanned one's hide" might include "pardoned," "forgiven," or "spared." These words suggest that instead of being punished or disciplined, the person in question received mercy or leniency. While the phrase "tanned one's hide" is somewhat outdated and a bit harsh, it remains a useful means of describing punishment or discipline, particularly in more traditional or conservative settings.