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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:

Changes in the material's orbit, along with additional collisions, could cause the infrared brightness to rise and fall over time.

From Science Daily ● Oct. 7, 2026

During an interview with MarketWatch, Mayfield said investors in the ultrashort bond space have “a risk appetite similar to what a cash investor’s would be, but they do want additional yield.”

From MarketWatch ● Oct. 7, 2026

The new contract includes an increase from his current salary of £10m per year plus an additional £5m in bonuses.

From BBC ● Oct. 7, 2026

The researchers found that for-profit corporate water utilities charged 67% more than the government-owned systems they analyzed nationwide — an additional $329 a year on average.

From Los Angeles Times ● Oct. 7, 2026

Arnold and I worked out new prices, since Pasqual would be doing additional work.

From "Lawn Boy" by Gary Paulsen

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