The term 'extremely important' can be described by several crossword solutions, including 'CRUCIAL' (7 letters), 'VITAL' (5 letters), 'EPOCHAL' (7 letters), 'PIVOTAL' (7 letters), 'CRITICAL' (8 letters), 'IMPERATIVE' (10 letters), and 'lifeordeath' (11 letters). Each of these words implies a great degree of importance, with 'CRUCIAL' referring to something that is absolutely necessary for success, 'VITAL' referring to something that is essential for survival, 'EPOCHAL' referring to something that is momentous or groundbreaking, 'PIVOTAL' referring to something that is of great significance, 'CRITICAL' referring to something that is of utmost importance, 'IMPERATIVE' referring to something that is absolutely necessary, and 'lifeordeath' referring to something that is of the utmost importance.