additional

adjective

ad·​di·​tion·​al ə-ˈdi-sh(ə-)nəl 

a-

: more than is usual or expected : added

additional information

Synonyms of additional

• 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

That leaves a lot of room for a variety of outcomes, depending on how the additional 12 Republicans vote. —Marissa Meador, IndyStar, 12 Dec. 2025

Pick it up in gray, or choose from six additional colors, including dark green and khaki. —Averi Baudler, PEOPLE, 12 Dec. 2025

Readers' donations grant their wishes and additional money raised helps many more families in the region. —Jackie Borchardt, Cincinnati Enquirer, 12 Dec. 2025

Revoltech said the next industrial production run is scheduled for early next year, with plans for expanding availability to additional sectors and use cases. —Alexandra Harrell, Sourcing Journal, 11 Dec. 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