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 flippant
Pronunciation: ˈflɪp(ə)nt
adjective
not showing a serious or respectful attitude