Rebut is a term that means to challenge or oppose an argument, statement, or opinion. The crossword solutions for this term include CONFUTE (7 letters), CONTROVERT (10 letters), DISCONFIRM (10 letters), REPULSE (7 letters), CONFOUND (8 letters), CONTRADICT (10 letters), REFUTE (6 letters), DENY (4 letters), DISPROVE (8 letters), and NEGATE (6 letters). All of these words have similar meanings, but they can be used in different contexts. For example, CONFUTE is used to challenge an argument by providing evidence that refutes it, while CONTROVERT is used to challenge an opinion or belief. Similarly, DISCONFIRM is used to DISPROVE something that has been previously accepted as true, and REPULSE is used to reject or repel an idea. CONFOUND is used to confuse or bewilder someone, while CONTRADICT is used to state the opposite of what has been said. REFUTE is used to prove something false, DENY is used to reject something, DISPROVE is used to show that something is not true, and NEGATE is used to DENY the validity of something.