The term 'Sly Look' can be described by four different crossword solutions: LEER (4 letters), GRIN (4 letters), OGLE (4 letters), and PEEK (4 letters). A LEER is a type of facial expression that is often used to convey a sly or mischievous look. A GRIN is a facial expression that is often used to express amusement, pleasure, or joy. Ogling is the act of looking at someone in a suggestive or lecherous manner. Peeking is the act of looking quickly or secretly at something. All of these terms are used to describe a sly look, which is a facial expression that conveys a sense of cunning or mischief.