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English definition of “abstain”

abstain

verb [I]    /æbˈsteɪn, əb-/
to not do something you could do, esp. something that is unhealthy or gives you pleasure: Some families abstain from eating fried food. If you abstain from voting, you do not vote although you are permitted to vote.
(Definition of abstain verb from the Cambridge Academic Content Dictionary © Cambridge University Press)
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