iceberg

noun

ice·​berg ˈīs-ˌbərg 

1

: a large floating mass of ice detached from a glacier

2

: an emotionally cold person

3

: iceberg lettuce

Synonyms of iceberg

• clam
• icicle
• stick

Examples of iceberg in a Sentence

a brilliant doctor, no doubt, but both patients and staff complain that he is an iceberg

Recent Examples on the Web

The Photo Studio, led by a professional photographer, also offers classes and instruction on how to snap the perfect wildlife and iceberg pictures. — Condé Nast, Condé Nast Traveler, 31 Oct. 2026

As the town and its residents descend into chaos after a massive iceberg emerges from the water, Calvin realizes it might all be connected to his father’s accident. — Aramide Tinubu, Variety, 8 Oct. 2026

For every actual Newfoundland filming location, there’s a CG iceberg. — Daniel Fienberg, HollywoodReporter, 8 Oct. 2026

What Sits Below The Waterline​ An iceberg is a useful way to think about software defensibility. — Paul Lachance, Forbes.com, 6 Oct. 2026

Word History

Etymology

probably partial translation of Danish or Norwegian isberg, from is ice + berg mountain

First Known Use

1784, in the meaning defined at sense 1

Phrases Containing iceberg

• iceberg lettuce
• the tip of the iceberg
• tip of the iceberg

Kids Definition

iceberg

noun

ice·​berg ˈīs-ˌbərg 

: a large floating mass of ice detached from a glacier