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

But with complete control of the skies Hegseth said the air forces would use 500-, 1,000- and 2,000-pound precision bombs with additional planes. —Jeanine Santucci, USA Today, 5 Mar. 2026

The warning for people to leave the area south of the Litani River came a day after Israel sent additional troops into southern Lebanon. —Arkansas Online, 5 Mar. 2026

It is often considered an additional service. —Daniel Scott, Better Homes & Gardens, 5 Mar. 2026

But a substantial portion reflects a deliberate decision to raise additional revenue. —Martha E. Stark, New York Daily News, 4 Mar. 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