The word hasty is often used to describe something that has been done quickly without proper thought or consideration. There are several synonyms that can be used in place of hasty, including rash, impulsive, hurried, precipitous, and brisk. Rash implies a lack of caution or forethought, while impulsive describes someone acting on instinct or emotion. Hurried suggests a sense of urgency and haste, while precipitous implies a lack of caution and foresight. Brisk suggests a sense of speed and efficiency, but not necessarily without thought or consideration. Using synonyms for hasty can add depth and nuance to your writing and help you avoid repetition.