The term 'STICKS FAST' can be summarized as 'ADHERES' (7 letters). ADHERES is a verb that means to stick firmly to something, often in a permanent way. It is commonly used to describe the process of attaching two objects together. For example, glue ADHERES two pieces of paper together. ADHERES is also used to describe a person's loyalty to a cause or belief. For example, someone who ADHERES to their religious beliefs is loyal to them.