Monolithic/ˌmɑːnəˈlɪθɪk/ Definition 1 of 4Pro Tip 1/2Unchanging Dominance Use 'monolithic' to describe entities that seem too big or established to be influenced or changed. The monolithic government resisted reforms. Pro Tip 2/2Power Perception 'Monolithic' often implies that the entity has a powerful presence or control in a field. His monolithic presence was felt in every board meeting.