/ Dictionary / Index C concerning: Meaning and Definition of Find definitions for: con•cern•ing Pronunciation: (kun-sûr'ning), [key] — prep. relating to; regarding; about: a discussion concerning foreign aid. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: concerning (Thesaurus) concerned concernment Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language