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

But they can also be placed on the footstools to transform them into additional seats. —Rachel Trujillo, People.com, 9 July 2025

Then, the budget bill gives each spouse an additional deduction of $6,000, or $12,000 for both, which would be available even for those who itemize their other deductions. —Howard Gleckman, Forbes.com, 9 July 2025

Dozens of more letters to additional countries are expected to go out July 8 and July 9. —Joey Garrison, USA Today, 9 July 2025

The statutory base fine is $60 but with additional fees and surcharges, the total penalty may be up to $158, the bill says. —Miami Herald, 9 July 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