The word "over-tire" refers to a state where one has exhausted oneself physically or mentally beyond one's limits. Some antonyms to this word would include words like rejuvenate, reinvigorate, refresh, energize, and invigorate. These words suggest the opposite of the feeling of being over-tired, and they imply a sense of renewed energy and vitality. To rejuvenate means to restore to a youthful state, while to reinvigorate means to renew one's strength or vitality. Refresh suggests an influx of new energy, while energize connotes excitement and enthusiasm. Finally, to invigorate means to fill with vigor, vitality, or strength. All these antonyms to over-tire suggest a state of being revitalized, rejuvenated, and restored.