of, relating to, or located on the topside.
of the most authoritative rank.


Also top·sides. up on the deck: He left the engine room and went topside.
to, toward, or at the topside.

Origin of topside

First recorded in 1670–80; top1 + side1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for topside

Historical Examples of topside

  • It was the complete lack of order and sanity and that let me get topside.

  • With that topside staring him in the face, he'll have something to read in the hereafter.

    Here Lies

    H.W. Guernsey

  • It had been displaced a full fifteen degrees on the topside of optimum power!


    Daniel F. Galouye

  • There was a branch slanting up from the topside of the fallen tree.

    The World That Couldn't Be

    Clifford Donald Simak

  • The Colonel has an individual dugout, and Dodds sleeps "topside" in the trench.

British Dictionary definitions for topside



the uppermost side of anything
British and NZ a lean cut of beef from the thigh containing no bone
(often plural)
  1. the part of a ship's sides above the waterline
  2. the parts of a ship above decks
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