# thickest

/ˈθɪkɪst/ (US) · /θˈɪkəst/ (UK) · CEFR A2 · Adjective

Source: https://englishreference.com/word/thickest
Updated: 2026-10-18

## Definition

having the greatest width from one side to the other, or the most dense and heavy.

For teachers: superlative of 'thick'; having the greatest thickness, density, or concentration among three or more things.

## Examples

- This book is the thickest one on the shelf.
- The cook uses the thickest pan in the kitchen to keep the soup hot longer.
- In the forest, the light fades first where the thickest trees stand close together and block the late sun.

---

From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.