The crossword solution for the term 'Word with 'RUSH' or 'HAPPY'' is HOUR. The word HOUR is a unit of time that is commonly used to measure the duration of an event or activity. It is typically divided into 60 minutes and can be further divided into 60 seconds. HOUR is also used to describe a period of time in which a person works, such as a work HOUR or school HOUR. Additionally, the words 'RUSH' and 'HAPPY' can be used to describe the feeling of being in a hurry or feeling content, respectively.