Definition
Having little thickness or width; slender or narrow in shape.
Example
She wore a thin sweater on the chilly day.
Comparatives & Superlatives
Comparative: thinner
Superlative: thinnest
Conversation

Have you seen the new shirt I bought?

Yes, it's really nice, but it looks a bit thin for winter.

I know, but I thought it would be perfect for layering.

That's true! Layers can keep you warm without being bulky.
Synonyms & Antonyms
Definition
In a way that has little thickness or density; not thick.
Example
She sliced the vegetables thin for the salad.
Conversation

Could you help me cut the vegetables for the salad?

Sure! Just make sure to slice them thin so they mix well.

Good idea! I always forget how important it is to cut them thin.
Definition
To make something less thick or less dense.
Example
She decided to thin the paint with some water before using it.
Tense Forms
Past: thinned
Past Participle: thinned
Conversation

I think I'm going to thin out my collection of books.

That sounds like a good idea! Which ones are you planning to keep?

I want to thin it down to just my favorites.
Root Explanation
The word 'thin' originates from Old English 'þynn', meaning slender or narrow. It describes something that has little thickness or density.
Memory Tip
Think of something that is 'slender' or 'narrow' — that's why 'thin' means having little thickness.
Visually Confused Words
thisn
tahin
othin
tin
hin
within
thyine
thujin