join up
Britishverb
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(intr) to become a member of a military or other organization; enlist
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(often foll by with) to unite or connect
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.
Two of the three major wildfires near of Madrid have merged into one, and are threatening to join up to form a massive inferno just kilometres from the capital.
From Barron's ● Jul. 25, 2026
Some 20 French boats set sail from Marseille on Saturday to join up with an international flotilla making a renewed effort to break an Israeli blockade and deliver aid to Gaza, AFP reporters saw.
From Barron's ● Apr. 4, 2026
The Tigers and Angels could still join up with MLB Local Media, which doesn’t guarantee set rights fees in advance.
From The Wall Street Journal ● Feb. 3, 2026
"Army recruits are such a vulnerable age and when they first join up, as females, in such a minority surrounded by lots of men."
From BBC ● Nov. 1, 2025
Grace was certain he was too cowardly, too shifty, to join up, but she had her own reason to be bitter.
From "Atonement" by Ian McEwan
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.
