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

Hyatt transformed the resort with six new buildings, including additional guest houses; all 117 rooms have also been overhauled, and there is a new pool as well as tons of new activities and programs. — Condé Nast, Condé Nast Traveler, 6 Oct. 2026

Since then, Pennsylvania has reported three additional deaths. — Arkansas Online, 6 Oct. 2026

When Blue Cross Blue Shield recently published research suggesting that hospitals use artificial intelligence tools to extract more money from insurers without providing additional care, people were mad. — Leah Pierson, STAT, 6 Oct. 2026

The company has also expanded into care and repair and a pre-loved business, extending the life of products while creating additional ways to engage consumers. — Glenn Taylor, Footwear News, 5 Oct. 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