Noun good luck has 3 senses
- good fortune, good luck - an auspicious state resulting from favorable outcomes
--1 is a kind of fortune, destiny, fate, luck, lot, circumstances, portion
Antonyms: misfortune, bad luck, tough luck, ill luck
--1 has particulars: prosperity, successfulness; blessing, boon
- good luck, fluke, good fortune - a stroke of luck
--2 is a kind of luck, fortune
--2 has particulars: serendipity
- break, good luck, happy chance - an unexpected piece of good luck; "he finally got his big break"
--3 is a kind of accident, fortuity, chance event
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