boffo /bofˈō/ (informal)

1. Highly successful
2. Excellent

• unfaithfulnesses
• unfaiths
• unfallen
• unfallible
• unfaltering
• unfalteringly
• unfamed
• unfamiliar
• unfamiliarities
• unfamiliarity
• unfamiliarly
• unfancied
• unfanned
• unfashionable
• unfashionableness
• unfashionably
• unfashioned
• unfasten
• unfastened
• unfastening
• unfastens
• unfastidious
• unfathered
• unfatherly
• unfathomable