Th

¹ American  

Symbol, Chemistry.

1. thorium.

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-th ² American  

1. a suffix forming nouns of action (birth ) or abstract nouns denoting quality or condition (depth; length; warmth ).

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-th ³ American  

1. a suffix used in the formation of ordinal numbers (fourth, tenth ), in some cases, added to altered stems of the cardinal (fifth; twelfth ).

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-th ⁴ American  

1. variant of -eth.

   doth.

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Th. ⁵ American  

abbreviation

1. Thursday.

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T.H. ⁶ American  

abbreviation

1. Territory of Hawaii.

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-th ¹ British  

suffix

1. (from verbs) indicating an action or its consequence

   growth

2. (from adjectives) indicating a quality

   width

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-th ² British  

suffix

1. forming ordinal numbers

   fourth

   thousandth

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Th ³ British  

symbol

1. thorium

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th ⁴ British  

abbreviation

1. Thailand

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Etymology

Origin of -th²

Middle English -th ( e ), Old English -thu, -tho, -th (variant -t after a velar, f, or s ); cognate with Gothic -itha, Latin -tus, Greek -tos

Origin of -th³

Middle English -the, -te, Old English -tha, -the (variant -ta after f or s ); cognate with Old Norse -thi, -di, Latin -tus, Greek -tos; see -eth ²

Example Sentences

Th political commentator, 36, and her husband Justin Griffin welcomed their first child together, a baby boy, late Tuesday evening, she announced.

From Los Angeles Times • Feb. 12, 2026

Th suit claims they failed to take action despite Vidal’s testimony vindicating Saldana.

From Los Angeles Times • Nov. 17, 2025

Th clinic administers psychological help, reconstructive surgery and prosthetics to victims for free.

From BBC • Apr. 10, 2025

Th critically acclaimed and popular series “The Bear” debuted its first season last June, but it was too late for the 2022 Emmy Awards.

From Seattle Times • Apr. 11, 2023

Th e next morning there was a lot of excitement at breakfast.

From "The Battle of the Labyrinth" by Rick Riordan