— disregarded
— forgotten
— ignored
— neglected
— overlooked
— unattached
— undeceive
— undecided
— undecipherable
— undeserved
— undesignated
— undesirable
— undignified
— undiscerning
— undisciplined
— undiscriminating
— undisguised
— undistinguished
— undisturbed
— uneducated
— unethical
— unheeded
— unmarked
— unmitigated
— unnoted
— unobserved
— unperceived
— unremarked
— untaught
— untouchable
— untouched