Synonyms for impenetrability
Most common
Definitions
- n. 1
The characteristic of being impenetrable; invulnerability.
Forms
- Plural
- impenetrabilities → hardnesses, adamants…
Example sentences
- adamant I tried to talk him out of it, but he was adamant.
- hardness Mineral hardness is measured on the Mohs scale.
Popularity over time
| Word | 1850 → 2019 | Trend |
|---|---|---|
| impenetrability | rising | |
| adamant | rising | |
| hardness | falling | |
| imperviousness | steady | |
| impenetrableness | steady |
Use in printed books, per decade from 1850 to 2019.
By length
- 7 letters
- adamant3
- 8 letters
- hardness2
- 14 letters
- imperviousness
The small number after each word is its number of syllables (adamant3 = 3 syllables).