un·ri·fled 
(ŭn-rīfəld)
(ŭn-rīfəld)adj.
Having a smooth bore. Used of a gun barrel.
- unflaggingly
- unflappability
- unflappable
- unflappably
- unflapped
- unflattering
- unflatteringly
- unfledged
- unflinching
- unflinchingly
- unflinchingness
- unfocused
- unfocussed
- unfold
- unfoldment
- unforeseen
- unforgettability
- unforgettable
- unforgettableness
- unforgettably
- unforgivable
- unforgiving
- unformatted
- unformed
- unfortunate