Poems and Songs of Robert Burns: Terminology: U

Ulzie, oil.
Unchancy, dangerous.
Unco, remarkably, uncommonly, excessively.
Unco, remarkable, uncommon, terrible (sarcastic).
Uncos, news, strange things, wonders.
Unkend, unknown.
Unsicker, uncertain.
Unskaithed, unhurt.
Usquabae, usquebae, whisky.