Word Study
un-american
WORDNET DICTIONARY
Adjective un-american has 1 sense
OXFORD DICTIONARY
un-american, adj.
1 not in accordance with American characteristics etc.
2 contrary to the interests of the US; (in the US) treasonable.
1 not in accordance with American characteristics etc.
2 contrary to the interests of the US; (in the US) treasonable.
Derivative
un-Americanism n.
For further exploring for "un-american" in Webster Dictionary Online