Mindset/ˈmaɪndset/ Definition 1 of 3Pro Tip 1/3Positive Approach Using 'mindset' implies a deliberate way of thinking instead of a temporary mood. Developing a positive mindset will help you during exams. Pro Tip 2/3Changeable Notion 'Mindset' often suggests a way of thinking that can evolve or be shifted. Her mindset changed after she traveled the world. Pro Tip 3/3Opinion Clarity 'Mindset' refers to a clear set of opinions that affect behavior and outlook. His competitive mindset makes him a strong player.