'good luck' definitions:

Definition of 'good luck'

(from WordNet)
noun
An auspicious state resulting from favorable outcomes [syn: good fortune, luckiness, good luck] [ant: bad luck, ill luck, misfortune, tough luck]
noun
A stroke of luck [syn: good luck, fluke, good fortune]
noun
An unexpected piece of good luck; "he finally got his big break" [syn: break, good luck, happy chance]

Synonyms of 'good luck'

From: Moby Thesaurus

Words containing 'good luck'