roo/rooh/ noun (pl roos collectively roo)

• unexpected
• unexplained
• unexpurgated
• unfailing
• unfair
• unfaithful
• unfaltering
• unfamiliar
• unfancied
• unfasten
• unfathomable
• unfavourable
• unfazed
• unfeeling
• unfetter
• unfettered
• unfinished
• unfit
• unfitting
• unfix
• unfixed
• unflagging
• unflappable
• unflattering
• unfledged