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

---

-th ² British  

suffix

1. forming ordinal numbers

   fourth

   thousandth

---

Th ³ British  

symbol

1. thorium

---

th ⁴ British  

abbreviation

1. Thailand

---

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 Department of Health and Human Services did not reply to requests from The Times.

From Los Angeles Times • Mar. 31, 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 government said it had "provided exporters with practical support" with post-Brexit trading arrangements.

From BBC • Dec. 21, 2022

Th e good news: the left tunnel was straight with no side exits, twists, or turns.

From "The Battle of the Labyrinth" by Rick Riordan