The meaning of NTH is numbered with an unspecified or indefinitely large ordinal number. How to use nth in a sentence.

1. Relating to an unspecified ordinal number: ten to the nth power. 2. Relatively large but unspecified: tried calling for the nth time.

NTH definition: being the last in a series of infinitely decreasing or increasing values, amounts, etc. See examples of nth used in a sentence.

Use the adjective nth to mean "utmost" or "most recent in a very long series," like when you have to ask your brother for the nth time to please stop borrowing money from your piggy bank. Mathematicians …

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Dec 14, 2025 · Noun nth (plural nths) (mathematics) The item at position n in a sequence. (informal) The item in a relatively large but unspecified position in a series.

NTH definition: 1. used to describe the most recent in a long series of things, when you do not know how many there…. Learn more.

Nth definition: Relating to an unspecified ordinal number.

(of an item in a series of occurrences, planned events, things used, etc., that is thought of as being infinitely large) being the latest, or most recent: This is the nth time I've told you to eat slowly.

If you refer to the most recent item in a series of things as the nth item, you are emphasizing the number of times something has happened.