Words starting with thi! Are you looking for words starting with thi? We’ve compiled this excellent list of 79 words starting with “Thi.” This compiled list of words starting with thi with definitions will help you to improve your vocabulary.
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List of Words Starting with “THI”
Learning new words is a fundamental part of the English language. This list of words beginning with “thi” will help you understand some complex words easily and improve your English language communication skills.

- Thiamin
- Thiamine
- Thiazide
- Thiazin
- Thiazine
- Thiazol
- Thiazole
- Thick
- Thicken
- Thickener
- Thicket
- Words that Start with Ir
- Thickety
- Thickish
- Thickly
- Thickness
- Thickset
- Thick-Skinned
- Thief
- Thieve
- Thievery
- Thieving
- Thievish
- Thigh
- Thigh Bone
- Thighed
- Thill
- Thimble
- Thimbleful
- Thin
- Thinclad
- Thindown
- Thine
- Thing
- Thingamabob
- Thingy
- Think
- Thinker
- Thinking
- Thinly
- Thinner
- Thinness
- Thinnish
- Thin-Skinned
- Thio
- Thiol
- Thiolic
- Thionate
- Thionic
- Thionin
- Thionine
- Thionyl
- Thiophen
- Thiotepa
- Thiourea
- Thir
- Thiram
- Third
- Thirdly
- Third-Rate
- Thirl
- Thirlage
- Thirst
- Thirster
- Thirstily
- Thirst-Quenching
- Thirsty
- Thirteen
- Thirteenth
- Thirties
- Thirtieth
- Thirty
- This
- Thisaway
- Thistle
- Thistledown
- Thistly
- Thither
Words Starting with “THI” with Their Definitions
Word | Meaning |
Thick | having a large distance between two sides |
Thicken | to make something, e.g., liquid stiffer and more solid |
Thickener | a substance that is added to a liquid in order to make it thicker |
This | when used as a determiner, it refers to a person, object, idea, etc. |
Thickness | the quality of being thick |
Thief | a person who steals things |
Thimble | a small cap worn over the fingertip to protect it when someone is sewing |
Thin | not thick or something having little extent from one side to the other |
Thine | the possessive case of thou and is used when speaking to one person |
Thing | it refers to any object when we do not use its name, or we do not know it or do not need it |
Think | to believe something or to have a particular idea about something or someone |
Thin-Skinned | easily made unhappy |
Thionic | relating to or containing Sulphur |
Thistle | a plant with sharp points on the leaves |
Thistly | full of thistles |
Thirst | the feeling of wanting a drink |
Thigh | the part of the leg in humans above the knee |