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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

  • additionally adverb
  • preadditional adjective

Etymology

Origin of additional

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

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.

The researchers conclude that public health guidelines in Italy should be updated to include additional tools alongside BMI.

From Science Daily • Apr. 3, 2026

The license renewal from the commission allows the plant to remain running for 20 years, although extending it past 2030 would require additional action from the California Legislature.

From Los Angeles Times • Apr. 2, 2026

They employ a 14‑strong full‑time media team, producing a constant stream of content that creates an additional revenue source most clubs at their level do not have.

From BBC • Apr. 1, 2026

In early March, Bern announced its intention to examine the acquisition of an additional long-range surface-to-air missile system, preferably manufactured in Europe, to complement the Patriot system.

From Barron's • Apr. 1, 2026

As it turned out, the film was a box office dud, bringing in only $40,000; it did make additional revenue from DVD sales and television licensing.

From "Endgame" by Frank Brady