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

From January to June, more than 3,100 people were reported killed across Haiti and an additional 1,100 reported injured, according to the United Nations. —NPR, 17 Oct. 2025

Trabajadores Unidos Workers United was given an additional $541,375 to prepare immigrant and refugee communities with training and mutual aid. —Chase Hunter, Mercury News, 17 Oct. 2025

At the end of June, the company had 849,643 active memberships, with its members spending, on average, $888 on monthly dues and additional services over a three-month period from April through June. —Jennifer Van Grove, San Diego Union-Tribune, 16 Oct. 2025

See the announcement for No Doubt’s additional Sphere dates below. —Hannah Dailey, Billboard, 16 Oct. 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