iceberg
/ˈaɪsbɜːrɡ/Definitions
1. noun
A large piece of ice floating in the ocean, typically formed from the freezing of sea water.
“The ship sailed too close to the iceberg and suffered significant damage.”
2. noun
A metaphorical representation of something that is a threat or a problem, often hidden from view.
“The company’s financial struggles were an iceberg beneath the surface of their successful marketing campaigns.”