RUDELY OVERLOOK is an expression that means to ignore someone or something in a rude or disrespectful manner. The crossword solution SNUB (4 letters) is a verb meaning to treat someone or something with contempt or disrespect, often by ignoring them. Therefore, RUDELY OVERLOOK and SNUB are synonymous terms that both refer to the same action of disregarding someone or something in a rude or disrespectful way.