A back-talker is someone who responds to authority figures with insolence or disrespect. The term 'back-talker' can be broken down into two crossword solutions: SASSER (6 letters) and SNIP (4 letters). SASSER is defined as 'to answer back in a pert, impudent, or insolent manner, ' while SNIP is defined as 'to speak sharply or abruptly.' Together, these two words accurately describe the behavior of a back-talker.