English definition of “abstain”
/əbˈsteɪn/ verb [I]
NOT DO formal › to not do something that you enjoy because it is bad or unhealthy: The doctor suggested that he abstain from alcohol.
NOT VOTE › to choose not to vote for or against something: 63 members voted in favour, 39 opposed and 5 abstained. abstention
/əbˈstenʃən/ noun [C, U]