What are some phrases or words that have changed over time?

Many phrases and Words have evolved over time, reflecting cultural shifts and technological advancements. For example, "gay" originally meant joyful or carefree but has become widely recognized as a term for sexual orientation. Similarly, "literally" used to mean "in a literal sense" but is often used for emphasis in a figurative context today. Additionally, terms like "cool" and "bad" have transformed in meaning to express approval or admiration rather than their original negative connotations.