iceberg

/ˈaɪsbɜːrɡ/
noun
  1. A large mass of ice floating in the sea, most of which is underwater.
    • Only about ten percent of an iceberg is visible above the water.
    • The Titanic hit an iceberg and sank in the North Atlantic.
    • Scientists are tracking a giant iceberg that broke off from Antarctica.
  2. A person who is emotionally cold or unresponsive.
    • Don't be such an iceberg — tell me how you really feel.
    • After the argument, she was an iceberg, refusing to speak to anyone.
    • He acted like an iceberg during the meeting, showing no reaction to the news.
What does "iceberg" mean? | whatsthatwordmean | whatsthatwordmean