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

In total, there are six bedrooms and six full bathrooms, plus two additional half baths. —Tori Latham, Robb Report, 14 Nov. 2025

On Thursday, the Grass Valley Police Department released additional details about the death of Jason Allen Frost, 51, who was found dead at Condon Park. —Rosalio Ahumada, Sacbee.com, 14 Nov. 2025

Major League Soccer games will reportedly now be available without an additional paywall. —Andrew Nusca, Fortune, 14 Nov. 2025

To balance that, the team suggests that additional research should incorporate seemingly contradictory menu choices, such as roast beef being served to the Indian president in 1990. —Laura Baisas, Popular Science, 14 Nov. 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