The term 'villainous look' can be described by three crossword solutions: LEER (4 letters), SNEER (5 letters), and SCOWL (5 letters). A LEER is a sly, knowing look, often with a hint of malice. A SNEER is a facial expression of contempt or scorn, usually accompanied by a derisive comment. A SCOWL is a frowning expression of displeasure or anger. All three expressions are associated with villainous behavior and can be used to convey a sense of evil intent.