fr

fractious (adj.) troublesome or irritable (Although the child insisted he wasn’t tired, his fractious behavior—especially his decision to crush his cheese and crackers all over the floor—convinced everyone present that it was time to put him to bed.)

fraught (adj.) (usually used with “with”) filled or accompanied with (Her glances in his direction were fraught with meaning, though precisely what meaning remained unclear.)

frenetic (adj.) frenzied, hectic, frantic (In the hours between night and morning, the frenetic pace of city life slows to a lull.)

frivolous (adj.) of little importance, trifling (Someday, all that anxiety about whether your zit will disappear before the prom will seem totally frivolous.)

frugal (adj.) thrifty, economical (Richard is so frugal that his diet consists almost exclusively of catfish and chicken liver—the two most inexpensive foods in the store.)