additional

adjective

ad·​di·​tion·​al ə-ˈdi-sh(ə-)nəl 

a-

: more than is usual or expected : added

additional information

Synonyms

• added
• another
• else
• farther
• fresh
• further
• more
• other

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

There are additional indications that the plane may have experienced a loss of engine power after takeoff. —Mika Gröndahl, New York Times, 28 June 2025

This article has been updated with additional information. —Peter Aitken, MSNBC Newsweek, 27 June 2025

International undergraduate students will pay an additional $500, and international grad students will pay an additional $45 fee. —Ron Wilkins, USA Today, 27 June 2025

However, that was based on the assumption that the district would receive $300 million in additional funding from the state or the city, which hasn’t materialized. —Kate Armanini, Chicago Tribune, 27 June 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