noun, often capitalized, often attributive
\ ˈtē How to pronounce t (audio) \
plural t's or ts\ ˈtēz How to pronounce t (audio) \

Definition of t

 (Entry 1 of 3)

1a : the 20th letter of the English alphabet
b : a graphic representation of this letter
c : a speech counterpart of orthographic t
2 : a graphic device for reproducing the letter t
3 : one designated t especially as the 20th in order or class
4 : something shaped like the letter T
to a T
[short for to a tittle] : to perfection

Definition of t (Entry 2 of 3)

1 metric ton
2 tablespoon
3 teaspoon
4 technical
5 temperature
6 [Latin tempore] in the time of
7 tense
8 tertiary
9 time
10 ton
11 township
12 transitive
13 troy
14 true

Definition of T (Entry 3 of 3)

1 tera-
2 tesla
3 testosterone
4 thymine
5 toddler
6 tritium
7 T-shirt

Words Starting With T

Browse 20,197 words and phrases that start with the letter T, from ta to Tzutuhil.

Examples of t in a Sentence

Noun a word that begins with a t a word that begins with t

First Known Use of t


before the 12th century, in the meaning defined at sense 1a

Buying Guide

Check out the 11 best games for word lovers from our Reviews team.

Learn More About t

Time Traveler for t

Time Traveler

The first known use of t was before the 12th century

See more words from the same century

Dictionary Entries Near t




See More Nearby Entries 

Statistics for t

Last Updated

15 Apr 2022

Cite this Entry

“T.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/t. Accessed 22 May. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for t


noun, often capitalized
\ ˈtē \
plural t's or ts\ ˈtēz \

Kids Definition of t

: the 20th letter of the English alphabet
to a T
: just fine : exactly My house suits me to a T.



Kids Definition of T




Medical Definition of T

 (Entry 1 of 2)

1 tesla
2 thoracic used with a number from 1 to 12 to indicate a vertebra or segment of the spinal cord multiple injuries with a fracture of T-12
3 thymine



Medical Definition of T (Entry 2 of 2)

1 absolute temperature
2 tritium

More from Merriam-Webster on t

Nglish: Translation of t for Spanish Speakers


Test Your Vocabulary

Name That Color

  • a light greenish blue color
  • Name that color:
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!