We found 31 dictionaries that define the word Additional:

General (25 matching dictionaries)

1. additional: Merriam-Webster
2. additional: Oxford Learner's Dictionaries
3. additional: Collins English Dictionary
4. additional: Vocabulary.com
5. Additional, additional: Wordnik
6. additional: Cambridge Advanced Learner's Dictionary
7. additional: Wiktionary
8. additional: Webster's New World College Dictionary, 4th Ed.
9. additional: The Wordsmyth English Dictionary-Thesaurus
10. additional: Infoplease Dictionary
11. Additional, additional: Dictionary.com
12. additional: Cambridge Essential American English Dictionary
13. Additional: Online Plain Text English Dictionary
14. additional: Webster's Revised Unabridged, 1913 Edition
15. additional: Rhymezone
16. additional: AllWords.com Multi-Lingual Dictionary
17. additional: Webster's 1828 Dictionary
18. additional: FreeDictionary.org
19. additional: Mnemonic Dictionary
20. additional: TheFreeDictionary.com
21. additional: Wikimedia Commons US English Pronunciations
22. additional: Longman Dictionary of Contemporary English
23. additional: Merriam-Webster

Art (1 matching dictionary)

24. Glossary of Stamp Collecting Terms (No longer online)

Business (1 matching dictionary)

25. additional: Legal dictionary

Computing (1 matching dictionary)

26. additional: Encyclopedia

Medicine (2 matching dictionaries)

27. online medical dictionary (No longer online)
28. additional: Medical dictionary

Slang (1 matching dictionary)

29. additional: Urban Dictionary

(Note: See additionals as well.)

Definitions from Wiktionary (additional) ▸ adjective:  Supplemental or added to something. ▸ noun:  Something added. Similar: supplementary, supplemental, further, other, else, more, extra, added, another, substantial, more... Opposite: subtractional, less, fewer, reduced, subtractive Types: extra, added, supplementary, supplemental, accessory, ancillary, more... Phrases: additional time, additional rent, Additional insured, additional collateral, additional accompaniments, more... Colors:     azure,     beige,     coral,     denim,     emerald, more... ▸ Words similar to Additional ▸ Usage examples for Additional ▸ Idioms related to Additional ▸ Wikipedia articles (New!) ▸ Popular adjectives describing Additional ▸ Popular nouns described by Additional ▸ Words that often appear near Additional ▸ Rhymes of Additional ▸ Invented words related to Additional