Synonyms of extinction

1. extinction, inaction, inactivity, inactiveness: usage: no longer active; extinguished; "the extinction of the volcano"
2. extinction, defunctness, death: usage: no longer in existence; "the extinction of a species"
3. extinction, natural process, natural action, action, activity: usage: the reduction of the intensity of radiation as a consequence of absorption and radiation
4. extinction, extermination, annihilation, disintegration: usage: complete annihilation; "they think a meteor cause the extinction of the dinosaurs"
5. extinction, experimental extinction, conditioning: usage: a conditioning process in which the reinforcer is removed and a conditioned response becomes independent of the conditioned stimulus
6. extinction, extinguishing, quenching, termination, ending, conclusion: usage: the act of extinguishing; causing to stop burning; "the extinction of the lights"