Crucial/ˈkruːʃl/ Definition 1 of 3Pro Tip 1/3Emphasizing Importance Use 'crucial' to stress the high importance of something in a discussion or argument. Your feedback is crucial to improve our services. Pro Tip 2/3Non-hyperbolic Remember, 'crucial' implies genuine importance, so avoid using it for trivial matters. Choosing the right career path is crucial for your future. Pro Tip 3/3No Negative 'Crucial' is usually not used in a negative sense; it doesn't mean 'badly' or 'dangerously'. Taking the medicine at the right time is crucial.