additional

adjective

ad·​di·​tion·​al ə-ˈdi-sh(ə-)nəl 

a-

: more than is usual or expected : added

additional information

Synonyms

• more
• further
• farther
• another
• else

Examples of additional in a Sentence

Larger windows will require additional work, but the additional light they will provide may be worth the extra trouble.

there turned out to be additional reasons for her unauthorized absence

Recent Examples on the Web

May get download speeds up to 1,000 Mbps in select areas with additional equipment. —Kara McGinley, USA Today, 14 Aug. 2025

The first step to enjoying Dixon’s chili is dressing it up with a myriad of toppings for an additional cost between 15 cents to $1.25. —Kansas City Star, 14 Aug. 2025

Once preliminary supplier lists have been issued, the user can narrow their options by giving Accio additional parameters. —Meghan Hall, Sourcing Journal, 14 Aug. 2025

Protecting Ukrainians’ self-determination and dissuading what is sure to be additional international Russian aggression in the event that Putin feels like his gambit ultimately worked should be bedrock principles in these talks, even if Zelenskyy won’t be in attendance. —New York Daily News Editorial Board, New York Daily News, 14 Aug. 2025

Word History

Etymology

addition + -al entry 1

First Known Use

1563, in the meaning defined above

Rhymes for additional

• conditional
• nutritional
• positional
• traditional
• transitional
• volitional
• compositional
• definitional
• depositional
• dispositional
• intuitional
• nontraditional

Kids Definition

additional

adjective

ad·​di·​tion·​al ə-ˈdish-nəl 

-ən-ᵊl

: being an addition : extra

additionally

-ē

adverb