Definition of "extinguish"

extinguish

/ɪkˈstɪŋ.ɡwɪʃ/

verb
third-person singular simple present extinguishes, present participle extinguishing, simple past and past participle extinguished
1. (transitive) To put out, as in fire; to end burning; to quench.
2. (transitive) To destroy or abolish something.
  Quotations
  The Pupil after his Pupillarity, had granted a Diſcharge to one of the Co-tutors, which did extinguiſh the whole Debt of that Co-tutor, and conſequently of all the reſt, they being all correi debendi, lyable by one individual Obligation, which cannot be Diſcharged as to one, and ſtand as to all the reſt.
  1668 December 19, James Dalrymple, “Mr. Alexander Seaton contra Menzies” in The Deciſions of the Lords of Council & Seſſion I (Edinburgh, 1683), page 575
3. (transitive) To obscure or eclipse something.
4. (transitive, psychology) To bring about the extinction of a conditioned reflex.
5. (transitive, literally) To hunt down (a species) to extinction.
6. (intransitive) To die out.
7. (transitive) To kill.