Everlasting/ˌevərˈlæstɪŋ/ Definition 1 of 3Pro Tip 1/3Timeless Emotion Used to express emotions that are so strong, they're felt to last forever. Their story is an example of everlasting devotion. Pro Tip 2/3Not Literal Often used figuratively to mean 'a very long time', not actually infinite. I've been waiting for an everlasting age! Pro Tip 3/3Intense Certainty Signals a speaker's deep conviction, often in matters of love or belief. She felt an everlasting promise in his words.