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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.

AbbVie said it remains committed to paying a strong and growing dividend, and that it still has financial flexibility for additional business development.

From The Wall Street Journal • Jun. 22, 2026

With an estimated production budget of $250m, it will need to make at least twice that amount to cover the additional costs of marketing and other expenses.

From BBC • Jun. 22, 2026

Moore said he is asking for 12 additional fire engines and six additional trucks to help support firefighters.

From Los Angeles Times • Jun. 21, 2026

For those seeking additional, evidence-backed tweaks, a surprising finding is that when you exercise also matters.

From MarketWatch • Jun. 21, 2026

Girls received additional training in air-raid duties and as auxiliary nurses.

From "Hitler Youth: Growing Up in Hitler's Shadow" by Susan Campbell Bartoletti

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