The meaning of ABSTAIN is to choose not to do or have something : to refrain deliberately and often with an effort of self-denial from an action or practice. How to use abstain in a sentence. Did you know? ABSTAIN definition : 1. to not do something, especially something enjoyable that you think might be bad: 2. to decide…. Learn more. The verb ' abstain ' has its origins in Latin, originating from the word 'abstinēre,' which combines 'ab,' meaning 'away from,' and 'tenēre,' meaning 'to hold' or 'to keep.' In Latin, 'abstinēre' meant to hold oneself back or refrain from something, often with a sense of self-discipline or self-control. This concept of voluntarily refraining from engaging in a particular behavior, action, or consumption has carried through to the modern usage of ' abstain .' When someone 'abstains,' they ... Definition of Abstain in the Definitions.net dictionary. Meaning of Abstain . What does Abstain mean ? Information and translations of Abstain in the most comprehensive dictionary definitions resource on the web.