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

From Los Angeles Times Nov. 17, 2025

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 DJ's father was murdered before he was born, but he has a strong bond with his mother and younger brothers - and is driven to succeed.

From BBC Jun. 13, 2023

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 e next morning after breakfast, I told Grover about my dream.

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

From Over the Top by Empey, Arthur Guy

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

From History of Phoenicia by Rawlinson, George

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 inflexions of the 3rd pers. prs. sg. are -th and -s.

From Torrent of Portyngale by Unknown

As he comes first, he was probably king of Sippara, where Shamash was the city god, and whence the collections, B1, B2, and V. A. Th., seem, on other grounds, to have come.

From Babylonian and Assyrian Laws, Contracts and Letters by Johns, C. H. W. (Claude Hermann Walter)

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

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 Calkins, Gary N. (Gary Nathan)

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 Butler, Harold Edgeworth

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

The statement’s authors, which included researchers from the Harvard T.H.

From The Wall Street Journal Jul. 20, 2026

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

From BBC Jan. 16, 2026

Other coauthors of the study include Chenghao Wang of the University of Oklahoma; and Kari Nadeau of the Harvard T.H.

From Science Daily Dec. 3, 2025

She holds a master in public health degree Harvard University's T.H.

From Salon Sep. 24, 2025

Green. directed by self-conscious and purposive intelligence to an end conceived as good,—that the polemic of T.H.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 7 "Equation" to "Ethics" by Various

“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

Live text commentary will begin from 20:00 GMT on th BBC Sport website and app, covering all the build-up to the main event.

From BBC Nov. 10, 2025

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

He pronounced them with the Castilian th sound, that is, with a lisp, an affectation peculiar to many of the Miracle Valley’s old-timers, whereas it could not be found farther south in Mexico.

From "The Milagro Beanfield War" by John Nichols

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