impenetrable
/ɪm'pɛnɪtrəbəl/
adjective
12 letters5 syllables18 points in Scrabble®23 points in WWF®
DEFINITIONS3
ADJECTIVE
1
Permitting little if any light to pass through because of denseness of matter.
“impenetrable gloom”
2
Impossible to understand.
“impenetrable jargon”
3
Not admitting of penetration or passage into or through.
“an impenetrable fortress”
“impenetrable rain forests”
WORD FORMS
Related formimpenetrableness
Related formimpenetrability
GAME SCORES
Scrabble®18 points
Words With Friends®23 points
Double word36 points
Triple word54 points
GOOD TO KNOW
Pig Latinimpenetrableway
Starts & ends withI … E
Syllablesim · pen · e · tra · ble
SYNONYMS & RELATED8
KEEP EXPLORING4