'open fire' definitions:

Definition of 'open fire'

(from WordNet)

verb

Start firing a weapon [syn: open fire, fire]

Synonyms of 'open fire'

From: Moby Thesaurus

aim at,
barrage,
blast,
blitz,
bombard,
breach,
cannon,
cannonade,
commence firing,
enfilade,
fire a volley,
fire at,
fire upon,
fusillade,
mortar,
open,
open up,
open up on,
pepper,
pop at,
rake,
shell,
shoot,
shoot at,
snipe,
snipe at,
strafe,
take aim at,
torpedo,
zero in on

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