Over-taxing refers to imposing excessive taxes on someone or something. Antonyms for this word could be under-taxes, which means not taxing enough, or fair-taxes, which refers to imposing taxes that are just and reasonable. Another antonym could be tax relief, which means reducing or eliminating taxes altogether. Tax cuts could also be considered an antonym for over-taxing as it refers to reducing taxes to stimulate economic growth. By using antonyms for the word "over-taxing," we can convey different meanings and levels of taxation, highlighting the importance of finding a balance in taxation policies that are equitable and beneficial for society as a whole.