Definition of tax verb from the Oxford Advanced Learner's Dictionary

      

    tax

     verb
    verb
    BrE BrE//tæks//
     
    ; NAmE NAmE//tæks//
     
    Verb Forms present simple I / you / we / they tax
    BrE BrE//tæks//
     
    ; NAmE NAmE//tæks//
     
    he / she / it taxes
    BrE BrE//ˈtæksɪz//
     
    ; NAmE NAmE//ˈtæksɪz//
     
    past simple taxed
    BrE BrE//tækst//
     
    ; NAmE NAmE//tækst//
     
    past participle taxed
    BrE BrE//tækst//
     
    ; NAmE NAmE//tækst//
     
    -ing form taxing
    BrE BrE//ˈtæksɪŋ//
     
    ; NAmE NAmE//ˈtæksɪŋ//
     
    Economy
     
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  1. 1  tax somebody/something to put a tax on somebody/something; to make somebody pay tax Any interest payments are taxed as part of your income. His declared aim was to tax the rich. See related entries: Economy
  2. 2tax something (British English) to pay tax on a vehicle so that you may use it on the roads The car is taxed until July.
  3. 3tax somebody/something to need a great amount of physical or mental effort The questions did not tax me. The problem is currently taxing the brains of the nation's experts (= making them think very hard).
  4. Word Origin Middle English (also in the sense ‘estimate or determine the amount of a penalty or damages’): from Old French taxer, from Latin taxare ‘to censure, charge, compute’, perhaps from Greek tassein ‘fix’.Extra examples Drinks would be taxed according to their alcoholic strength. Many goods were taxed at 17.5%. Many self-employed people are heavily taxed. You will be taxed on all your income. goods which are most heavily taxed Phrasal Verbstax somebody with something
See the Oxford Advanced American Dictionary entry: tax