treatable

UK: /ˈtriːtəb^əl/ US: (trē′tə bəl)

WordReference Random House Unabridged Dictionary of American English © 2025

treat•a•ble  (trē′tə bəl), adj. 

1. able to be treated, esp. medically:
   Some diseases are treatable but not curable.

• treat + -able

treat′a•bil ′i•ty, n. 

WordReference Random House Learner's Dictionary of American English © 2025

treat /trit/   v. 

1. to act or behave toward (someone or something) in some way:
   [~ + object] to treat all people with the respect they deserve.
2. to consider (someone or something) in a certain way:
   [~ + object + as + noun/adjective] treated this matter as important.
3. to deal with in a specified way;
   handle:
   [~ + object] The doctor treated his complaints seriously.
4. Medicine to deal with (a disease, etc.) to relieve or cure:
   [~ + object] new ways to treat AIDS.
5. to perform an action or process on (something) to bring about a result:
   [~ + object] to treat a substance with an acid.
6. to provide with food, entertainment, etc., at one's own expense: [~ + object]
   The boss treated me to dinner.
   [no object]
   Put your money away; I'll treat.
7. to deal with in speech, etc., esp. in a specified manner or style: [~ + object]
   treated the theme with fantasy.
   [~ + of + object]
   to treat of the problem in his book.

n. [countable]

8. entertainment, food, etc., given or paid for by someone else, as an expression of friendliness, as a professional courtesy, etc.
9. anything that provides enjoyment:
   It was a real treat back then to have steak for dinner.

treat•a•ble, adj. 

WordReference Random House Unabridged Dictionary of American English © 2025

treat (trēt),  v.t. 

1. to act or behave toward (a person) in some specified way:
   to treat someone with respect.
2. to consider or regard in a specified way, and deal with accordingly:
   to treat a matter as unimportant.
3. to deal with (a disease, patient, etc.) in order to relieve or cure.
4. to deal with in speech or writing;
   discuss.
5. to deal with, develop, or represent artistically, esp. in some specified manner or style:
   to treat a theme realistically.
6. to subject to some agent or action in order to bring about a particular result:
   to treat a substance with an acid.
7. to entertain;
   give hospitality to:
   He treats diplomats in the lavish surroundings of his country estate.
8. to provide food, entertainment, gifts, etc., at one's own expense:
   Let me treat you to dinner.

v.i. 

9. to deal with a subject in speech or writing;
   discourse:
   a work that treats of the caste system in India.
10. to give, or bear the expense of, a treat:
    Is it my turn to treat?
11. to carry on negotiations with a view to a settlement;
    discuss terms of settlement;
    negotiate.

n. 

12. entertainment, food, drink, etc., given by way of compliment or as an expression of friendly regard.
13. anything that affords particular pleasure or enjoyment.
14. the act of treating.
15. one's turn to treat.

• Latin tractāre to drag, handle, treat, frequentative of trahere to drag. See tract¹
• Old French tretier, traitier
• Middle English treten (verb, verbal) 1250–1300

treat ′er, n.