Abnegating is an adjective that means to deny oneself of something, usually for the sake of a greater cause. It is derived from the Latin word abnegare, which means to reject or renounce. The crossword solution for the term abnegating is 'SOBER', which is defined as abstaining from alcohol or other intoxicants. This term is often used in reference to someone who is abstaining from alcohol or drugs in order to maintain a healthy lifestyle.