uncouth (un-kooth'), awkward.
undulating (un'du-lat'ing), moving backward and forward, or up and down in waves.
unfledged (un-flejd'), not feathered, hence not fully developed.
unfurl (un-furl'), unfold.
unison (u'ni-sun), harmony.
universal (u'ni-vur'sal), including the whole number, quantity, or space; all-reaching.
unknelled (un-neld'), having no bell tolled at funeral or death.
unmeet (un-met'), not suitable.
unobtrusive (un'ob-troo'siv), modest.
unperturbed (un-per-turbd'), not troubled or confused.