unfilmed
untaped
unappreciated
unattained
uncollected
unconsidered
undescribed
undetected
undiscovered
undreamed-of
unguessed
unheard
unheeded
unheralded
unmourned
unnoted
unnoticed
unpublished
unread
unrecognised
unrecognized
unreported
unrevealed
unsung
unthought-of
unwritten
accorded
awarded
boarded
hoarded
prerecorded
recorded
rewarded
warded