Origin of U-boat

1910–15; < German U-Boot, short for Unterseeboot literally, undersea boat
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for u-boat

submersible, U-boat

Examples from the Web for u-boat

Contemporary Examples of u-boat

Historical Examples of u-boat

British Dictionary definitions for u-boat


  1. a German submarine, esp in World Wars I and II

Word Origin for U-boat

from German U-Boot, abbreviation for Unterseeboot, literally: undersea boat
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for u-boat


1916 (said to have been in use from 1913), partial translation of German U-Boot, short for Unterseeboot, literally "undersea boat."

Online Etymology Dictionary, © 2010 Douglas Harper