The article explores 4 main definitions of intimacy to help you build an everlasting intimacy with your significant other. Intimacy involves sharing one's thoughts, feelings, desires, and fears with another person, without the fear of judgment or rejection. It encompasses physical, emotional, and intellectual aspects, fostering a sense of belonging and acceptance. Intimacy is a close personal relationship between two people, or a sexual act or expression. Learn more about the word forms, synonyms, examples, and pronunciation of intimacy . INTIMACY meaning : 1. a situation in which you have a close friendship or sexual relationship with someone: 2. things…. Learn more.