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Synonyms

alongside

American  
[uh-lawng-sahyd, uh-long-] / əˈlɔŋˈsaɪd, əˈlɒŋ- /

adverb

  1. along, by, at, or to the side of something.

    We brought the boat alongside.

preposition

  1. beside; by the side of.

    The dog ran alongside me all the way.

  2. Informal. alongside of, compared with.

    Alongside of his brother, he is no student at all.
alongside British  
/ əˈlɒŋˌsaɪd /

preposition

  1. (often foll by of) along the side of; along beside

    alongside the quay
"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

adverb

  1. along the side of some specified thing

    come alongside
"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

Etymology

Origin of alongside

First recorded in 1700–10; along + side 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In fact, the organization encourages parents to learn alongside their children.

From MarketWatch • Apr. 4, 2026

The researchers conclude that public health guidelines in Italy should be updated to include additional tools alongside BMI.

From Science Daily • Apr. 3, 2026

The White House released the request as part of a detailed 92-page budget proposal, alongside summaries outlining its priorities across federal agencies.

From Barron's • Apr. 3, 2026

Plain type allowed it to consume less space and appear alongside advertisements, a reminder that newspapers, then and now, are businesses.

From The Wall Street Journal • Apr. 3, 2026

And I come alongside a musher whose teeth are chattering—a bad sign—while he tries to get a fire going.

From "Woodsong" by Gary Paulsen

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.