Basic Details
Word: Underground
Part of Speech: Adjective / Noun / Adverb
Meaning: Something that is located beneath the surface of the ground; also refers to a secret or hidden system or movement.
Synonyms: Subterranean, below ground, hidden
Antonyms: Above ground, surface, visible
Idioms and Phrases
- Under the radar: To do something without attracting much attention. Example: "She worked under the radar, developing her skills quietly without anyone noticing."
- Out of sight, out of mind: When something cannot be seen, it is easily forgotten. Example: "He moved away, and soon it was out of sight, out of mind."
Usage Examples
Example 1: The underground tunnels were used for escaping during the war.
Example 2: Many animals, such as moles, live underground to stay safe from predators.
Example 3: The city's underground transportation system makes it easier to get around without traffic.
Fun Fact
Did you know that there are entire ecosystems that thrive underground? Some species of plants and animals have adapted to live without sunlight in dark, subterranean environments!
Famous Quote
"An essential aspect of creativity is not being afraid to fail." - Edwin Land
Multiple Choice Questions (MCQs)
1. What does "underground" mean?
a) Above the ground
b) Hidden beneath the surface
c) A type of food
d) A form of transportation
Answer: b) Hidden beneath the surface
2. Which of these is a synonym for "underground"?
a) Visible
b) Subterranean
c) Surface
d) Open
Answer: b) Subterranean
3. Which sentence uses "underground" correctly?
a) The underground stream flows with sparkling water.
b) The underground cake tasted really nice.
c) She wore an underground hat to the party.
d) The underground elephant danced in the circus.
Answer: a) The underground stream flows with sparkling water.
4. Which idiom means being unnoticed or not attracting attention?
a) Out of sight, out of mind
b) Under the radar
c) In the spotlight
d) A fish out of water
Answer: b) Under the radar
5. What is the opposite of "underground"?
a) Below ground
b) Underwater
c) Above ground
d) Hidden
Answer: c) Above ground
