1. superlative form of wrong; most incorrect or mistaken
Usage: informal
2. superlative form of wrong; most morally bad or unjust
Usage: informal

Examples

• That was the wrongest answer on the entire test.
• Stealing from charity is one of the wrongest things you can do.
• His pronunciation was the wrongest I’ve ever heard.
• She felt that lying to her parents was the wrongest choice.
• Of all the directions we could have taken, that was the wrongest one.