overnice

adjective

over·​nice ˌō-vər-ˈnīs 

: excessively nice: such as

a

: excessively pleasant or agreeable

And I don't think they're being really overnice to me because of who I am. You notice that they treat everybody that way.

—Darlene Love

b

: excessively particular

overnice scruples

overnicely adverb

overniceness noun

Our mothers told us that it wouldn't kill us to be nice. But overniceness, when it comes to the health risks of obesity, can kill.

—The Saginaw (Michigan) News

Word History

First Known Use

14th century, in the meaning defined above