What is the meaning of taxing?

verb

• Levy a tax on.
  • usage: "The State taxes alcohol heavily"; "Clothing is not taxed in our state"
  • synonyms: tax
• Set or determine the amount of (a payment such as a fine.
  • synonyms: tax, assess
• Use to the limit.
  • usage: "you are taxing my patience"
  • synonyms: tax, task
• Make a charge against or accuse.
  • usage: "They taxed him failure to appear in court"
  • synonyms: tax

adjective

• Not easily borne; wearing.
  • usage: "the burdensome task of preparing the income tax return"; "my duties weren't onerous; I only had to greet the guests"; "a taxing schedule"
  • synonyms: burdensome, onerous