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
Despite those efforts, Israeli officials assess that hundreds of elite Hezbollah fighters were able to go south of the Litani River and join up with other Hezbollah units there after the war with Iran began.
From The Wall Street Journal ● Mar. 16, 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
“I’m afraid not now. Tell me. Why did you join up with the Italians?”
From "A Farewell To Arms" by Ernest Hemingway
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.
