Date: 1200-1300
Language: Old French
Origin: traitier, from Latin tractare; TRACTABLE


1 verb
treat1 S2 W1 [transitive]

behave towards somebody/something

[always + adverb/preposition] to behave towards someone or something in a particular way [↪ treatment]
treat somebody like/as something
She treats me like one of the family.
Penny doesn't think her co-workers treat her as an equal.
He treated his automobiles almost as tenderly as he did his wife.
badly treated/well treated
The prisoners were well treated by their guards.
treat somebody with respect/contempt/courtesy etc
Despite her seniority, Margot was never treated with much respect.
treat somebody like dirt/a dog (=treat someone unkindly and without respect)
I don't know why he stays with her - she treats him like dirt.

deal with something

[always + adverb/preposition] to deal with, regard, or consider something in a particular way [↪ treatment]
treat something as something
Please treat this information as completely confidential.
She treats everything I say as a joke.
treat something favourably/seriously/carefully etc
Any complaint about safety standards must be treated very seriously.


to try to cure an illness or injury by using drugs, hospital care, operations etc [↪ treatment]:
It was difficult to treat patients because of a shortage of medicine.
treat somebody with something
Nowadays, malaria can be treated with drugs.

buy something for somebody

to buy or do something special for someone that you know they will enjoy
treat somebody to something
We treated Mom to lunch at the Savoy.
I treated myself to a new dress.


to put a special substance on something or use a chemical process in order to protect, clean, or preserve it [↪ treatment]:
sewage treated so that it can be used as fertilizer

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