UNCARNATE, not fleshly, or of flesh.
UNCOUTH, strange, unusual.
UNDERTAKER, "one who undertook by his influence in the House of Commons to carry things agreeably to his Majesty's wishes" (Whalley); one who becomes surety for.
UNEQUAL, unjust.
UNEXCEPTED, no objection taken at.
UNFEARED, unaffrighted.
UNHAPPILY, unfortunately.
UNICORN'S HORN, supposed antidote to poison.
UNKIND(LY), unnatural(ly).
UNMANNED, untamed (term in falconry).