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

One additional point is that conversion rates also rose when customers interacted with the new flow. —Chris Lipp, Forbes.com, 29 Jan. 2026

Instead, on a variety of cosmic scales, from the insides of individual galaxies to groups and clusters of galaxies all the way up to the largest filamentary structures of all, an additional source of gravity is required. —Big Think, 29 Jan. 2026

Trash must be bagged, while additional recyclable materials must be placed in cardboard boxes adjacent to recycling carts for collection by WM, the city's recycling partner. —Bill Bowden, Arkansas Online, 29 Jan. 2026

Russell is glad that the series was able to accommodate his schedule, adding that the first season of The Madison is comprised of six episodes and that season 2 features an additional six installments. —Emlyn Travis, Entertainment Weekly, 28 Jan. 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