The term 'FRET ABOUT' can be broken down into four crossword solutions: RUE (3 letters), STEWON (6 letters), STEWOVER (8 letters), and WORRYOVER (9 letters). All of these words are related to the idea of worrying or being anxious about something. RUE is a verb meaning to feel regret or sorrow for something, while STEWON and STEWOVER are both verbs meaning to worry or be anxious about something. WORRYOVER is a noun meaning a state of anxiety or worry. Together, these words all suggest that the term 'FRET ABOUT' means to worry or be anxious about something.