| 1. | to put out (a fire, light, etc.); put out the flame of (something burning or lighted): to extinguish a candle. |
| 2. | to put an end to or bring to an end; wipe out of existence; annihilate: to extinguish hope. |
| 3. | to obscure or eclipse, as by superior brilliance. |
| 4. | Law. to discharge (a debt), as by payment. |
extinguish ex·tin·guish (ĭk-stĭng'gwĭsh)
n. ex·tin·guished, ex·tin·guish·ing, ex·tin·guish·es
To bring about the extinction of a conditioned response.