The term DRASTIC is an adjective that means 'marked by EXTREME force, intensity, or suddenness'. It can be broken down into seven crossword solutions: IMMODERATE (10 letters), HARSH (5 letters), DIRE (4 letters), STRONG (6 letters), SEVERE (6 letters), EXTREME (7 letters), and DESPERATE (9 letters). All of these words describe something that is intense, forceful, or urgent. They all suggest a situation that is DIRE and requires drastic measures to be taken.