Definition of "concerning"

concerning

/kənˈsɝnɪŋ/

adjective
comparative more concerning, superlative most concerning
1. Causing concern; worrying.
2. (obsolete) Important.
  Quotations
  So great and so concerning truth.
  1692–1717, Robert South, Twelve Sermons Preached upon Several Occasions, 6th edition, volumes (please specify |volume=I to VI), London: […] J[ames] Bettenham, for Jonah Bowyer, […], published 1727
preposition
1. Regarding, respecting.
  Quotations
  The Lord hath spoken good concerning Israel.
  1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], Numbers 10:29
verb
1. present participle and gerund of concern
noun
plural concernings
1. That which one is concerned in; one's business.
  Quotations
  We shall write to you, / As Time and our Concernings shall importune, / How it goes with us, and do look to know / What doth befall you here.
  c. 1603–1604 (date written), William Shakespeare, “Measure for Measure”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act I, scene i]