Unkind words are words that are said with the intention of hurting someone else. The term UNKIND WORDS can be broken down into three crossword solutions: BARBS (5 letters), SLURS (5 letters), and SLAP (4 letters). BARBS are sharp, cutting remarks that are meant to hurt or insult someone. SLURS are offensive terms used to degrade or belittle a person or group. Finally, a SLAP is an expression of contempt or disapproval. All of these words are considered unkind because they are intended to hurt or insult someone.