Basic Details
Word: Impenetrable
Part of Speech: Adjective
Meaning: Impossible to pass through or enter; something that cannot be understood or affected.
Synonyms: Unpassable, inaccessible, inscrutable
Antonyms: Passable, penetrable, understandable
Idioms and Phrases
- Impenetrable barrier: A strong and difficult obstacle that cannot be overcome. Example: "The forest created an impenetrable barrier that made it hard for animals to enter."
- Impenetrable silence: A very deep silence that seems impossible to break. Example: "After the shocking news, there was an impenetrable silence in the room."
Usage Examples
Example 1: The thick walls of the castle were impenetrable, keeping the invaders at bay.
Example 2: Although the mystery novel was meant to be thrilling, I found its plot to be impenetrable and confusing.
Example 3: The scientists studied an impenetrable fog that covered the mountain, making it unsafe to climb.
Fun Fact
The word "impenetrable" comes from the Latin word "impenerabilis," which means "not able to be penetrated." It has been used in English since the early 17th century.
Famous Quote
"There are no secrets that time does not reveal." Jean Racine (this suggests that even the most impenetrable things can eventually be understood with time).
Multiple Choice Questions (MCQs)
1. What does "impenetrable" mean?
a) Easily broken
b) Impossible to pass through
c) Clear and understandable
d) Very small
Answer: b) Impossible to pass through
2. Which of these is a synonym of "impenetrable"?
a) Accessible
b) Unpassable
c) Clear
d) Easy
Answer: b) Unpassable
3. Which sentence uses "impenetrable" correctly?
a) The impenetrable rain fell on the ground.
b) The impenetrable walls couldn't be crossed by the enemy.
c) The impenetrable cake was delicious.
d) The impenetrable dog played fetch.
Answer: b) The impenetrable walls couldn't be crossed by the enemy.
4. Which idiom means the same as "impenetrable"?
a) Open book
b) Penetrable thoughts
c) Impenetrable silence
d) Clear as day
Answer: c) Impenetrable silence
5. What is the opposite of "impenetrable"?
a) N/A
b) Penetrable
c) Unclear
d) Confusing
Answer: b) Penetrable
