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

Project Tango’s data center would span a million square feet, with nearly 2 million additional square feet of warehouses on the 202-acre site. —Raisa Habersham, Miami Herald, 16 May 2026

Teams installed new diagnostics and cryopumps provided by Europe, alongside additional heating systems. —Aman Tripathi, Interesting Engineering, 16 May 2026

As recently as 2024, Congress was infusing Israel with an additional $15 billion in military aid to carry out its war with Hamas. —David Sivak, The Washington Examiner, 16 May 2026

Gray is also a producer in addition to 9 others, and 31 additional Executive Producer and Co-Executive Producer credits. —Pete Hammond, Deadline, 16 May 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