"hoofed," 1802, from Late Latin ungulatus "hoofed," from ungula "hoof, claw, talon," diminutive (in form but not sense) of unguis "nail" (see ungual). Ungulata, the order of hoofed mammals, is recorded from 1839.
ungrateful
ungual
unguarded
unguent
unguided
ungulate
unhallowed
unhampered
unhand
unhappily
unhappiness