It is un-American to intimidate or otherwise silence critics of America.
Talking about “fairness” is not a sign of socialism nor is it remotely un-American.
And any lover of “Seinfeld” would regard banning the “Soup Nazi” episode as scandalously un-American.
And yet, paradoxically, some broader good may come of this Draconian, un-American, and very probably unconstitutional law.
It is, I'd say, implicitly un-American, in the sense that it celebrates a mindset we have -- outwardly, at least -- shunned.
The new United States postage stamps have a very un-American look.
"Very un-American," remarked the singer, as he ate his crab bisque.
The trade-union is often represented as an imported and un-American institution.
You were concerned about his un-American beliefs, were you not?
He might have had his wrong-headed notions about barriers, but he was not so un-American as to regard a father as an obstacle.
A term used, primarily by extreme conservatives, to attack principles or practices considered to be at odds with the values of most Americans. Many object to the use of the term on the grounds that it is vague, shortsighted, and intolerant.
Note: The House of Representatives maintained a Committee on Un-American Activities (HUAC) for several years. It was especially known for investigation of alleged communists. (See Alger Hiss.)