The term VIPERLIKE is an adjective used to describe something that resembles a viper, which is a type of snake. The crossword solutions for this term are SNAKY (5 letters) and SLITHERY (8 letters). Both words refer to the characteristics of a snake, such as its long, winding body and its ability to move quickly and silently. Therefore, the term VIPERLIKE can be used to describe something that has similar qualities to a snake.