Adjective
(of a firearm) Having a small caliber.
(by extension) insignificant or trivial.
Source: en.wiktionary.orgIn his obsession with “putting points on the board,” Emanuel trots out a bevy of small-bore fixes. Source: Internet
"Leader after leader – many of whom were extremely old, many of whom merely had the appearance of being old – made small-bore requests and complaints. Source: Internet