top·​side | \ ˈtäp-ˈsīd \

Definition of topside

 (Entry 1 of 2)

1 : to or on the top or surface
2 : in a position of authority
3 : on deck



Definition of topside (Entry 2 of 2)

1 topsides plural : the top portion of the outer surface of a ship on each side above the waterline
2 : the highest level of authority
3 : the upper portion of the ionosphere

Examples of topside in a Sentence

Recent Examples on the Web: Adverb or adjective

Made a few 4x4’s in afternoon & went up topside a while. Phoebe Wall Howard, Detroit Free Press, "Service Diary of a Corpsman: Roy L. Wall, LST 509," 28 May 2018

Recent Examples on the Web: Noun

Because there’s no outboard hanging off the back, the whole topside of the hull is usable. Ezra Dyer, Popular Mechanics, "Testing the Yamaha 210 FSH: The Boat That Blew Up the Formula," 31 Aug. 2018 The only connection with topside is via the elevator. Scott Craven, azcentral, "Grand Canyon Caverns: Arizona's deepest, darkest hotel room," 5 Mar. 2018 The pulverized rock comes out the back via conveyor belt to be loaded onto rail cars and hauled topside. Washington Post, "Fixing a massive NYC plumbing leak, 55 stories underground," 20 June 2018 After noon chow topside again. Pulled within 3000 yards of beachhead. Phoebe Wall Howard, Detroit Free Press, "Service Diary of a Corpsman: Roy L. Wall, LST 509," 28 May 2018 Those of the crew who had managed to make their way topside jumped into the frigid water. Jonathan W. Jordan, WSJ, "‘World War II at Sea’ Review: A History Written in Water," 18 May 2018 Crews used a series of ropes to pluck the terrified pup, which squealed with delight upon arrival topside. John Bacon, USA TODAY, "Must-see TV: Firefighters rescue squealing puppy from well," 17 May 2018 The platform was recently decommissioned and the deck and topside were brought back to shore. Sara Sneath,, "Shell platform transformed into artificial reef in the Gulf of Mexico," 15 Feb. 2018 By buying McDermott, Subsea 7 would also inherit the Houston company's businesses that construct topsides and jacket structures for offshore platforms. Collin Eaton, Houston Chronicle, "Subsea 7 makes hostile offer for McDermott to kill CB&I merger," 23 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'topside.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of topside

Adverb or adjective

1873, in the meaning defined at sense 1


1815, in the meaning defined at sense 1

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Time Traveler for topside

The first known use of topside was in 1815

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More Definitions for topside



English Language Learners Definition of topside

: on or onto the deck of a ship

More from Merriam-Webster on topside

Rhyming Dictionary: Words that rhyme with topside

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