micromentum UK /ˌmaɪ.kɹəʊ.məˈmɛn.təm/US /ˌmaɪ.kɹoʊ.məˈmɛn.təm/ noun1 •Small, incremental momentum; subtle or small-scale progress built up through consistent, minor actions.Completing one small task every morning creates micromentum that carries through the rest of the workday.The startup relied on micromentum from weekly feature releases to maintain user engagement. formsmicromenta