1adjective
not admitting of penetration or passage into or through
“an impenetrable fortress”
01 Word definition
impenetrable
12 letters · 5 vowels · 7 consonants
Is IMPENETRABLE a word?
Yes. IMPENETRABLE is a 12-letter adjective. not admitting of penetration or passage into or through Check the official dictionary for your particular word game before playing it.
Correct spelling
I-M-P-E-N-E-T-R-A-B-L-EHow do you spell IMPENETRABLE?
IMPENETRABLE contains 12 letters, begins with I, and ends with E.
Check another spelling →Meaning and definition
2adjective
permitting little if any light to pass through because of denseness of matter
“dense smoke”
Synonyms
Source: Open English WordNet 2025 (CC BY 4.0) ↗denseheavy
02 Letter breakdown
How is IMPENETRABLE spelled?
I1M2P3E4N5E6T7R8A9B10L11E12
03 Word-game status
Can you play IMPENETRABLE?
UnscramblerHQ dictionary
This spelling is present in our broad English solver dictionary.
Scrabble
Base tile value: 18 points. Confirm eligibility in the official word list used for your region and edition.
Words With Friends
Base tile value: 23 points. Confirm eligibility inside the current game dictionary.
FAQ Quick answers
About IMPENETRABLE.
How do you spell IMPENETRABLE?
IMPENETRABLE is spelled I-M-P-E-N-E-T-R-A-B-L-E. It contains 12 letters.