If something extinguishes a feeling or idea, it destroys it. The message extinguished her hopes of Richard's return
put out, as of fires, flames, or lights; "Too big to be extinguished at once, the forest fires at best could be contained"; "quench the flames"; "snuff out the candles"
To quench; to put out, as a light or fire; to stifle; to cause to die out; to put an end to; to destroy; as, to extinguish a flame, or life, or love, or hope, a pretense or a right