Definition of best of luck
- We're sorry that you're leaving. Best of luck to you in your new job.
: superlative of good
: excelling all others
: most productive of good : offering or producing the greatest advantage, utility, or satisfaction
: superlative of well
: in the best (see 1best) way : to greatest advantage
: the best (see 1best) state or part
: one that is best
: the greatest degree of good or excellence
: to get the better of : outdo
: had best (see 2best 1)
What made you want to look up best of luck? Please tell us where you read or heard it (including the quote, if possible).