/ ɪkˈstɪŋgwɪʃ; NAmE / verb [ vn ]
1.
to make a fire stop burning or a light stop shining
SYN put out :
Firefighters tried to extinguish the flames.
( formal )
All lights had been extinguished.
2.
to destroy sth :
News of the bombing extinguished all hope of peace.
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WORD ORIGIN
mid 16th cent.: from Latin exstinguere , from ex- out + stinguere quench. Compare with distinguish .