full-bore adjective 2adverb 1 adjective2 •Having a relatively large caliber.Mounted on the wall was a full-bore elephant gun. •(figurative) Thoroughgoing; complete; total.The problem had grown into a full-bore crisis.He is a full-bore environmental activist. adverb1 •(figurative) At top speed; with full power.The car raced full-bore into oncoming traffic.He is full-bore into environmental activism.
