3 days ago · The meaning of PROTECT is to cover or shield from exposure, injury, damage, or destruction : guard. How to use protect in a sentence. Synonym Discussion of Protect. to keep someone or something safe from injury, damage, or loss: 2. If a government protects a…. To protect someone or something means to prevent them from being harmed or damaged. The only way to protect is to plan in advance; using super redundant and resilient systems. See examples of protect used in a sentence. Definition of protect verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. The goalie slipped and fell, but the defenseman was there to protect [= defend] the goal.