transitive verb

1. to put out (a fire, etc.); quench; smother
2. to put an end to; destroy or cause to die out
3. to put in the shade; eclipse; obscure
4. Law
   1. to make void; nullify
   2. to settle (a debt)

Etymology: L extinguere, exstinguere, to quench, destroy < ex-, out + stinguere, to extinguish (for IE base see stick) + -ish