Dictionary
Thesaurus
Medical
Scrabble®
Spanish Central
Browse DictionaryBrowse Thesaurus
Get our free apps!iPhone•iPad•Android
Games
Word of the Day
Video
Blog: Words at Play
My Faves
Dictionary

additional

adjective ad·di·tion·al \-ˈdish-nəl, -ˈdi-shə-nəl\

: more than is usual or expected

Full Definition of ADDITIONAL

:  existing by way of addition :  added <additional information>
See additional defined for English-language learners
See additional defined for kids
ADVERTISEMENT

First Known Use of ADDITIONAL

circa 1644

Related to ADDITIONAL

Synonyms
added, another, else, farther, fresh, further, [+]more[-]hide, other

Rhymes with ADDITIONAL

cognitional, coitional, conditional, nutritional, traditional, transitional, tuitional, volitional
ADDITIONAL Defined for Kids

additional

adjective ad·di·tion·al \ə-ˈdi-shə-nəl\

Definition of ADDITIONAL for Kids

:  1extra <We needed additional time to finish.>
— ad·di·tion·al·ly \-ē\ adverb

Learn More About ADDITIONAL

Browse

4 ENTRIES FOUND:
  1. additional
  2. additional accompaniment
  3. additional insured
  4. additional tax
Next Word in the Dictionary: additional accompanimentPrevious Word in the Dictionary: addition agentAll Words Near: additional
ADVERTISEMENT
10 Charming Words for Nasty People
Put-downs with flair
Learn More
When "Literally" isn't, well, literal
How to use a word that (literally) drives some people nuts.
Watch Now
Know what this is?
Test your vocab with our fun, fast game
Go Play
Fear of cats?
Ailurophobia, and 9 other unusual fears
Learn More
Join Us
Merriam-Webster
on Facebook
Merriam-Webster
on Twitter
Bookstore: Digital and Print
Merriam-Webster references for Mobile, Kindle, print, and more.
See All
Other Merriam-Webster Dictionaries