There are 2 main definitions of UN in English:

UN1

Syllabification: UN

abbreviation

Definition of UN in:

There are 2 main definitions of UN in English:

un-2

Syllabification: un-

prefix

1Denoting the reversal or cancellation of an action or state: untie unsettle
2Denoting deprivation, separation, or reduction to a lesser state: unmask unman
2.1Denoting release: unburden unhand

Origin

Old English un-, on-, of Germanic origin; related to Dutch ont- and German ent-.

Definition of UN in: