The term "wert tardy" refers to being late or delayed in action or behavior. Antonyms for this phrase would include words that describe being prompt, punctual, or timely. Some possible antonyms for wert tardy might include words like punctual, timely, prompt, speedy, swift, immediate, hasty, quick, expedient, and efficient. These terms all suggest a sense of urgency or importance, indicating that something needs to be done quickly or without delay. By contrast, wert tardy implies a sense of slowness or procrastination, suggesting that action is being taken too late or not at all.