The crossword solutions for the term UNHAPPY and KNOCK OVER are both five-letter words. The term UNHAPPY is an adjective that describes a feeling of sadness or dissatisfaction. It is often used to describe someone who is feeling down or depressed. The term KNOCK OVER is a verb that means to KNOCK something OVER, usually by accident or with force. It can also be used to describe a situation in which something has been knocked OVER or destroyed.