The term 'MAKE A GOOF' can be broken down into three crossword solutions: ERR (3 letters), MESSUP (6 letters), and STUMBLE (7 letters). ERR is a verb meaning to make a mistake or do something wrong. MESSUP is a verb meaning to make a mistake or do something wrong in a clumsy or careless way. STUMBLE is a verb meaning to make a mistake or do something wrong in an awkward or uncertain way. All three words refer to making a mistake or doing something wrong, but each word has a slightly different connotation.