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

Carry a windshield scraper, jumper cables, a small shovel, flashlight, cell phone, blanket and additional warm clothing, drinking water, and high-calorie non-perishable food. —Ca Weather Bot, Sacbee.com, 9 Apr. 2026

While horses aren’t disallowed in city limits, Charlotte has some additional regulations on how they and other animals can be ridden. —Nick Sullivan april 9, Charlotte Observer, 9 Apr. 2026

Maine wants to hire 90 additional staffers, and Massachusetts wants to hire 70 more. —Sam Whitehead, CBS News, 9 Apr. 2026

Crouch serves as creator, showrunner, writer and executive producer, with additional executive producers including Matt Tolmach, Richard Lederer and Jacquelyn Ben-Zekry, who co-wrote all episodes of Season 2. —Kennedy French, Variety, 8 Apr. 2026

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