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; -eth ²

Example Sentences

“To supplement not having F and V and Th and M, we have consonant clusters like jl and cht … that we don’t have in English, but they can be made lower in the throat.”

From Los Angeles Times • Nov. 10, 2025

Th western parts of the country saw widespread flooding and damage to properties brought on by the hurricane.

From BBC • Nov. 7, 2024

Th Anne Arundel County Police Department said motorists should anticipate heavy delays in Annapolis and Kent Island for an extended period of time.

From Seattle Times • Jan. 27, 2024

More delights await in the 30-film “Art House Horror” slate of genre classics spanning nearly a century, from the 1922 Swedish silent witchcraft pic “Häxan” and Carl Th.

From Los Angeles Times • Oct. 26, 2023

Th e next few days I settled into a routine that felt almost normal, if you don’t count the fact that I was getting lessons from satyrs, nymphs, and a centaur.

From "The Lightning Thief" by Rick Riordan