Seventieth Definition
 sĕvən-tē-ĭth 
    noun
  
 The ordinal number matching the number 70 in a series.
 American Heritage 
The one following the sixty-ninth.
 Webster's New World 
Any of the seventy equal parts of something;170
 Webster's New World 
The person or thing in the seventieth position.
 All the septuagenarians remembered their seventieths fondly.
 Wiktionary 
    adjective
  
 Preceded by sixty-nine others in a series; 70th.
 Webster's New World 
Designating any of the seventy equal parts of something.
 Webster's New World 
The ordinal form of the number seventy.
Wiktionary 
Synonyms: 
  - 70th
 
    adverb
  
 In the seventieth place, rank, group, etc.
 Webster's New World 
Other Word Forms of Seventieth
Noun
Singular:
 seventiethPlural:
 seventiethsSeventieth Is Also Mentioned In
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