impenetrable — impossible to pass through or enter; impossible to understand
Part of speech: ADJECTIVE
Definition: impossible to pass through or enter; impossible to understand
Pronunciation (IPA): /ɪmˈpenɪtrəbl/
Example Sentences
- My mom's password system is completely impenetrable - she uses her cat's birthday backwards in ancient Greek.
- The professor's handwriting was so impenetrable that students needed a decoder ring.
- The company's security system appeared impenetrable until a hacker got in through the coffee machine's WiFi.
impenetrable
ADJECTIVE[/ɪmˈpenɪtrəbl/]
impossible to pass through or enter; impossible to understand
The ancient fortress walls proved impenetrable, even to the mightiest siege engines.
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🎤Pronunciation
🌳Etymology
Origin
From Latin 'impenetrabilis', composed of the prefix 'in-' (not) and 'penetrabilis' (able to be penetrated), derived from 'penetrare' meaning 'to pierce or pass through'.
Breakdown
im- (not) + penetr- (pierce/pass through) + -able (capable of) = impenetrable
🎵Rhyme
🔗Collocations
📝Examples
“My mom's password system is completely impenetrable - she uses her cat's birthday backwards in ancient Greek.”
“The professor's handwriting was so impenetrable that students needed a decoder ring.”
“The company's security system appeared impenetrable until a hacker got in through the coffee machine's WiFi.”
“The castle walls were designed to be impenetrable against enemy attacks.”
📚Related Words
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