Dictionary
Thesaurus
Medical
Scrabble®
Spanish Central
Browse DictionaryBrowse Thesaurus
Get our free apps!iPhone•iPad•Android
Games
Word of the Day
Video
Blog: Words at Play
My Faves
Dictionary

unconcern

noun un·con·cern \ˌən-kən-ˈsərn\

: lack of care about or interest in something

Full Definition of UNCONCERN

1
:  lack of care or interest :  indifference <his unconcern for personal gain>
2
:  freedom from excessive concern or anxiety
See unconcern defined for English-language learners
See unconcern defined for kids
ADVERTISEMENT

First Known Use of UNCONCERN

1684

Related to UNCONCERN

Synonyms
apathy, casualness, complacence, disinterestedness, disregard, incuriosity, incuriousness, insouciance, nonchalance, torpor, indifference
Antonyms
concern, interest, regard

Rhymes with UNCONCERN

about-turn, Comintern, in return, on the turn, out of turn, overturn, slash-and-burn, taciturn, to a turn
UNCONCERN Defined for Kids

unconcern

noun un·con·cern \ˌən-kən-ˈsərn\

Definition of UNCONCERN for Kids

:  lack of care or interest

Learn More About UNCONCERN

Browse

Next Word in the Dictionary: unconcernedPrevious Word in the Dictionary: unconceivableAll Words Near: unconcern
ADVERTISEMENT
10 Charming Words for Nasty People
Put-downs with flair
Learn More
When "Literally" isn't, well, literal
How to use a word that (literally) drives some people nuts.
Watch Now
Know what this is?
Test your vocab with our fun, fast game
Go Play
Fear of cats?
Ailurophobia, and 9 other unusual fears
Learn More
Join Us
Merriam-Webster
on Facebook
Merriam-Webster
on Twitter
Bookstore: Digital and Print
Merriam-Webster references for Mobile, Kindle, print, and more.
See All
Other Merriam-Webster Dictionaries