undergroundmonster
nounUK /ˌʌndəˈɡraʊnd ˈmɒnstə/
US /ˌʌndərˈɡraʊnd ˈmɑːnstər/
A make-believe creature that lives under the ground.
The children drew a friendly undergroundmonster hiding beneath the garden.
OTHER MEANINGS
2. A scary creature in a story that digs tunnels below the earth.
In the tale, the undergroundmonster roared from its tunnel.
3. A video game enemy that hides beneath the floor and pops up to surprise players.
Watch out for the undergroundmonster that jumps out of the sand level.
4. A playful name for a pet that loves digging holes in the yard.
Our puppy is a little undergroundmonster whenever it rains.