guv'nor noun1 •(UK, Ireland) An informal form of address to a man; see guv. This version is especially likely to be applied to the owner of a business or the landlord of a public house.“Now we have to get out of here before the fuzz start sniffing around. Fingers, get the Rolls resprayed and change the number plates in case they trace it.” “Yes, guv’nor.” — 2017 formsguv'nors