American Heritage Dictionary
(9)
Century Dictionary
(10)
GNU Webster's 1913
(1)
WordNet
(3)
Elsewhere on the web
But what color says, "You just got lucky, and the luck is all bad, sucker!" because Lili's kiss ais a short skip to the underworld.— Major Spoilers
The refrain of his woe was that luck--luck--remorseless luck was against him Luck, since the beginning of the world, has been the cry of him who gambles with destiny.— The Bishop of Cottontown A Story of the Southern Cotton Mills
At cards, if your luck is poor, walk round your chair three times, lift it, sit down, and your luck is assured General in the United States.— Current Superstitions Collected from the Oral Tradition of English Speaking Folk

American Heritage Dictionary (1)
Century Dictionary (3)
Bubble size: how much this word was used in a year
Bubble height: used more or less than expected, vs. all uses evenly distributed
You can expect to see this word about twice a day.