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Meaning of impenetrable
The primary meaning of the word "impenetrable" refers to something that cannot be entered, accessed, or understood.
Etymology of impenetrable
The word "impenetrable" originates from the Latin words "im-" meaning "not" and "penetrare" meaning "to penetrate"
Historically, the word has been used to describe physical barriers, such as fortifications or defenses, as well as abstract concepts, such as ideas or emotions
Synonyms
impregnable
inaccessible
invulnerable
insurmountable
unassailable
unbeatable
unconquerable
unbreachable
impassable
impenetrable
unbreakable
indestructible
insuperable
unshakeable
unyielding
inviolable
secure
safe
fortified
protected
defended
guarded
shielded
screened
blocked
barred
obstructed
impassable
forbidden
restricted
limited
confined
sealed
locked
bolted
Definitions
- Not able to be entered or accessed
- * Not able to be understood or interpreted
- * Not able to be affected or influenced
Usage Examples
- The impenetrable forest made it difficult for hikers to navigate
- * The company's impenetrable security system prevented hackers from accessing sensitive data
- * The impenetrable expression on her face made it hard to read her emotions
Antonyms
penetrable
accessible
vulnerable
weak
fragile
breakable
destructible
assailable
conquerable
breachable
passable
open
unlocked
unguarded
unprotected
undefended
exposed
susceptible
sensitive
fragile