adj. next after the sixty-ninth; being one of 70 equal parts

n. number 70 in a series; one part of seventy equal parts, 1/70

The following video provides you with the correct English pronunciation of the word "seventieth", to help you become a better English speaker.

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Noun
1. position 70 in a countable series of things
(hypernym) rank

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Adjective
1. the ordinal number of seventy in counting order
(synonym) 70th
(similar) ordinal

n. sedmdesátý

Przym. siedemdziesiąty

Rzecz. (jedna) siedemdziesiąta

(n.)
The quotient of a unit divided by seventy; one of seventy equal parts or fractions.
  

(n.)
One next in order after the sixty-ninth.
  

(a.)
Next in order after the sixty-ninth; as, a man in the seventieth year of his age.
  

(a.)
Constituting or being one of seventy equal parts.