"Never" is an adverb that indicates the absence of an action or event at any time in the past, present, or future. It is often used to express a definitive refusal or impossibility, such as in the phrase "I will never do that." This term helps convey strong feelings or commitments regarding actions that will not occur. In everyday language, "never" can be used in various contexts, such as in conversations, literature, or music. For example, a song might include the line "I'll never forget you," emphasizing the speaker's lasting memory. Overall, "never" serves as a powerful tool for expressing certainty about non-occurrence.