Definition of dumb luck in English:

dumb luck

Pure chance: finally, through dumb luck, it worked and I got a network connection
More example sentences
  • She escaped, a circumstance she attributes to dumb luck rather than divine intervention.
  • They depend also, to no small extent, on sheer dumb luck.
  • Just my dumb luck that my shower doesn't work.
See parent entry: dumb

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Word of the day bimble
Pronunciation: ˈbɪmb(ə)l
verb
walk or travel at a leisurely pace