film noir (fĭlm nwär)
n. pl. film noirs (fĭlm nwärz, nwär) or films noirs (fĭlm nwär)
1. A movie characterized by low-key lighting, a bleak urban setting, and corrupt, cynical characters.
2. The genre or style of such movies.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.