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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 couple tried to get some sleep, with a chair against the room door, before getting up in the morning.

From BBC ● Aug. 4, 2026

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

From Los Angeles Times ● Nov. 17, 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 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 horrible thing was: I could see the family resemblance.

From "The Titan's Curse" 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

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

From History of Phoenicia by George Rawlinson

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

From Over the Top by Arthur Guy Empey

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

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

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

Puis Th. n'osa pas demurrer; mes dit qil ne fuit pas soun villein de soun manoire de C. Prest etc.

From Villainage in England Essays in English Mediaeval History by Paul Vinogradoff

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

From The Standard Galleries - Holland by Esther Singleton

Besides the cultivation of their plantation the Messrs. Th. plied a flourishing trade in coprah and sandalwood all along the west coast of Santo, which they visited frequently in their cutter.

From Two Years with the Natives in the Western Pacific by Felix Speiser

For the time taken for its composition and the poet's anticipations of immortality see Th. xii.

From Post-Augustan Poetry From Seneca to Juvenal by Harold Edgeworth Butler

Notes from a letter to C. Th. v.

From Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 by Gary N. (Gary Nathan) Calkins

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

That’s a conservative estimate, as Atul Gawande of Harvard’s T.H.

From Salon ● Jan. 4, 2026

A great step forward was made in 1859 by T.H.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" by Various

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

Investors Intelligence’s tally of opinions showed bulls topping bears by 40 percentage points, a reading in the 90 th percentile of positivity, according to Jeff deGraaf, founder and chairman of Renaissance Macro Research.

From Barron's ● Feb. 13, 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

Some of the band’s greatest hits include “Uma Thurman,” “Sugar, We’re Goin Down,” “Dance, Dance” and “Thnks fr th Mmrs.”

From Los Angeles Times ● Jan. 19, 2023

The initial letter of a sen-tence was first capitalised in the 13 th century, but the rule was not consistently applied until the 16th.

From "Eats, Shoots & Leaves" by Author

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