1 having or resulting from good luck, esp. as distinct from skill or design or merit.
2 bringing good luck (a lucky mascot).
3 fortunate, appropriate (a lucky guess).
Phrases and idioms:
lucky dip Brit. a tub containing different articles concealed in wrapping or bran etc., and chosen at random by participants.
Derivatives:
luckiness n.
Useful english dictionary. 2012.