v. con·cerned, con·cern·ing, con·cerns
1. To have to do with or relate to: an article that concerns the plight of homeless people.
2. To be of interest or importance to: This problem concerns all of us.
3. To engage the attention of; involve: We concerned ourselves with accomplishing the task at hand.
4. To cause anxiety or uneasiness in: The firm's weak financial posture is starting to concern its stockholders.
To be of importance.
1. A matter that relates to or affects one: What I do is not your concern.
a. Regard for or interest in someone or something: His concern for you is genuine.
b. A troubled or anxious state of mind: a frown that expressed great concern.
3. A business establishment or enterprise; a firm.
[Middle English concernen, from Old French concerner, from Medieval Latin concernere, from Late Latin, to mingle together : Latin com-, com- + Latin cernere, to sift; see krei- in the Appendix of Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2016 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The American Heritage Dictionary Blog
Check out our blog, updated regularly, for new words and revised definitions, interesting images from the 5th edition, discussions of usage, and more.
American Heritage Dictionary Products
The American Heritage Dictionary, 5th Edition
The American Heritage Dictionary of Idioms
The American Heritage Roget's Thesaurus
Curious George's Dictionary
The American Heritage Children's Dictionary
The American Heritage Dictionary of Indo-European Roots
The American Heritage Student Grammar Dictionary
The American Heritage Desk Dictionary + Thesaurus
The American Heritage Science Dictionary
The American Heritage Dictionary of Business Terms
The American Heritage Student Dictionary
The American Heritage Essential Student Thesaurus