1. One part in seventy.

2. The ordinal of seventy.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• sevententh,
• seventth,
• seventeeth,
• seveneth,
• aeventieth,
• zeventieth,
• xeventieth,
• deventieth,
• eeventieth,
• weventieth,
• swventieth,
• ssventieth,
• seventyieth,
• seventith,
• seventiet,
• seventieeth,
• seventyeth,
• seveenteeth,
• sevintienth,
• Evenweth

• seventh,
• seventh chord,
• seventy-five,
• seventy-fifth,
• seventhly,
• seventeenth,
• seventies,
• seventeen,
• seventy,
• seventy-three,
• seventy-eight,
• seventy-seven,
• seventy-six,
• seventy-nine,
• seventy-one.

The adjective form of the word "seventieth" is "seventieth".

The plural form of the word "seventieth" is "seventieths"

The singular form of "seventieth" is "seventieth".