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  • Th
    Th
    thorium.
  • -th
    -th
    a suffix forming nouns of action (birth ) or abstract nouns denoting quality or condition (depth; length; warmth ).
  • Th.
    Th.
    abbreviation
    Thursday.
  • T.H.
    T.H.
    abbreviation
    Territory of Hawaii.
  • th
    th
    abbreviation
    Thailand

Th

1 American  
Symbol, Chemistry.
  1. thorium.


-th 2 American  
  1. a suffix forming nouns of action (birth ) or abstract nouns denoting quality or condition (depth; length; warmth ).


-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 ).


-th 4 American  
  1. variant of -eth.

    doth.


Th. 5 American  

abbreviation

  1. Thursday.


T.H. 6 American  

abbreviation

  1. Territory of Hawaii.


-th 1 British  

suffix

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

    growth

  2. (from adjectives) indicating a quality

    width

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

-th 2 British  

suffix

  1. forming ordinal numbers

    fourth

    thousandth

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Th 3 British  

symbol

  1. thorium

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

th 4 British  

abbreviation

  1. Thailand

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

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

“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 Israeli military did not confirm the death but said its troops came under attack overnight when two military vehicles stalled just outside the town of Beit Ummar, near the city of Hebron.

From Reuters Nov. 29, 2022

Th chancellor said the UK had "risen to bigger challenges before" as he delivered tax rises and spending cuts.

From BBC Nov. 17, 2022

Th e next morning, Chiron moved me to cabin three.

From "The Lightning Thief" by Rick Riordan

Which, he notes, is not the case with, say, "big thing" or "big thighs," both of which give your tongue the space to bridge that awkward transition from "-ig" to "-th."

From Seattle Times May 19, 2011

Strength -th is a true word; fowl or fugel -l is no true word.

From A Handbook of the English Language by Latham, R. G. (Robert Gordon)

The ordinary termination of feminine singular nouns is -th, not -h.

From History of Phoenicia by Rawlinson, George

The present singular, 3rd person, of the indicative, ends both in -es or -s, and -eth or -th, the former being the more usual.

From The Lay of Havelok the Dane by Unknown

The next evening we were relieved by the -th Brigade, and once again returned to rest billets.

From Over the Top by Empey, Arthur Guy

These sentences, which should be read in the light of the context, will be found in Goethe's Dichtung und Wahrheit, Th. iii.

From The Works of Lord Byron, Vol. 7. Poetry by Coleridge, Ernest Hartley

Th. translates 'on the roaring sea,' but adds 'quite conjectural.'

From Elene; Judith; Athelstan, or the Fight at Brunanburh; Byrhtnoth, or the Fight at Maldon; and the Dream of the Rood Anglo-Saxon Poems by Garnett, James Mercer

In § 1702 Th. and Pr. he places much confidence on a particular sign of water in the chest, and remarks, that the same sign is not produced by the presence of pus.

From Cases of Organic Diseases of the Heart by Warren, John Collins

This identification is fully confirmed by the engraving made by Th. von Kessel for the Theatrum Pictorium, which shows how these two figures are placed in the composition.

From Giorgione by Cook, Herbert

His pictures were ranked with those of Th. de Keijser.

From The Standard Galleries - Holland by Singleton, Esther

It really shows there may not be a safe level,” said Cindy W. Leung, associate professor of public health nutrition at Harvard T.H.

From The Wall Street Journal Jun. 3, 2026

A new nationwide study led by researchers at the Harvard T.H.

From Science Daily Feb. 24, 2026

Chronic loneliness is a serious, growing public health concern, says Dr. Jeremy Nobel, a professor at the Harvard T.H.

From Los Angeles Times Feb. 9, 2026

For example, a review in August 2025 led by Dr Andrew Baccarelli, dean of the Harvard T.H.

From BBC Jan. 16, 2026

Lantern slides illustrating the subjects treated in this book may be procured from T.H.

From Commercial Geography A Book for High Schools, Commercial Courses, and Business Colleges by Redway, Jacques W. (Jacques Wardlaw)

“This year, April 15 falls on a Wednesday. To be safe, I would look at April 10 th or 11 th as the latest to file.”

From Barron's Mar. 28, 2026

Once the rocket reaches the pad, engineers will spend several days checking that the repairs carried out in th VAB have worked as intended and that nothing has shifted during the slow journey out.

From BBC Mar. 20, 2026

Gigi Hadid, 28, and her sister Bella Hadid, 27, two of the most famous fashion models in the world, were born in th U.S. and grew up in Southern California.

From Washington Times Nov. 28, 2023

Koepka, a four-time major champion who now plays on the upstart LIV Golf tour, is four shots ahead of the field after a birdie at th par-5 15th pushed his score to 12 under.

From Seattle Times Apr. 7, 2023

“You got to wait a little bit,” Zannikos said to a pride of elegant women who had spent the morning at the Whitney Museum of American Art, across Madison Avenue at 75 th Street.

From "Class Matters" by The New York Times

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