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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:

Scientists are continuing to analyze data from collisions involving lighter atomic nuclei, searching for additional evidence of how quark–gluon plasma forms and behaves.

From Science Daily ● Nov. 3, 2026

MrBeast’s company named Michelle St. Jacques, a marketing veteran who has been president of consumer goods since February, to the additional role of CMO.

From The Wall Street Journal ● Nov. 2, 2026

The military official said that "soldiers conducted thorough searches of multiple locations, detained and questioned suspects, and located and confiscated four weapons, several vests, and additional military equipment".

From Barron's ● Nov. 2, 2026

Velshi’s on-air analysis will be augmented by an additional feed called VelshiCast, a behind-the-scenes look that will stream on MS NOW’s YouTube channel.

From Salon ● Nov. 2, 2026

The only additional interaction they’ll have is for health checkups or, when the time comes, lugging the cub and his mama through tough mountain terrain to a new enclosure.

From "Camp Panda" by Catherine Thimmesh

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