The word "important" is widely used in everyday language, but it can sometimes sound repetitive. Synonyms of this word include: significant, crucial, essential, vital, fundamental, necessary, key, paramount, weighty, noteworthy, material, substantial, meaningful, momentous, and indispensable. These words all convey a sense of importance or significance, but each of them has its own subtle connotation, which can be used to create more precise and impactful writing. Varying your vocabulary by using different synonyms for "important" can help you express yourself more clearly and effectively.