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Synonyms

additional

American  
[uh-dish-uh-nl] / əˈdɪʃ ə nl /

adjective

  1. added; more; supplementary.

    additional information.


additional British  
/ əˈdɪʃənəl /

adjective

  1. added or supplementary

"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

Other Word Forms

Etymology

Origin of additional

First recorded in 1630–40; addition + -al 1

Explanation

If your parents get you a cell phone and add it to their plan as an additional line, they are adding one more line to their bill, so additional means another or one more. Even though they added an additional line to their plan, your parents might ask you to pay for the additional charges. That means they will see how much more your phone usage adds to their plan, and will charge it back to you. If you complain, they might say to avoid additional conflict, you can just get your own plan and pay all of the bills!

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Vocabulary lists containing additional

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.

See Examples For:

Producers must notify the union in advance and prove the AI character brings “significant additional value” to the role.

From Los Angeles Times Aug. 29, 2026

However, plans may include language allowing additional access under specific circumstances.

From MarketWatch Aug. 29, 2026

But this advantage is an additional tool—not “control.”

From Slate Aug. 29, 2026

Chun says work ongoing at TD to identify additional opportunities through 2030 as the bank continues to invest in organic growth.

From The Wall Street Journal Aug. 28, 2026

Throughout the day, he received additional injections whenever the pain intensified.

From "Ambushed!" by Gail Jarrow

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