impermeable
/ɪmˈpɝmɪəbəl/
Word Rarity
Very rare
Frequency: 2.43 in modern English
19
Scrabble Score
11
Letters
4
Syllables
8
Unique Chars
Meaning
adj
Impossible to permeate.
adj
Not allowing passage, especially of liquids; waterproof.
Etymology
Apparently from im- + permeable. Compare French imperméable, from Latin impermeābilis, from im- + permeābilis (“permeable”).
Word Breakdown
- Prefix: im
Regional Pronunciation
- American English: /ɪmˈpɝmɪəbəl/
- British English: /ɪmˈpɜːmɪəbəl/
Inflected Forms
more impermeable (comparative)
most impermeable (superlative)