We found 32 dictionaries that define the word superfluous:

General (26 matching dictionaries)

1. superfluous: Merriam-Webster.com
2. superfluous: Oxford Learner's Dictionaries
3. superfluous: American Heritage Dictionary of the English Language
4. superfluous: Collins English Dictionary
5. superfluous: Vocabulary.com
6. Superfluous, superfluous: Wordnik
7. superfluous: Cambridge Advanced Learner's Dictionary
8. superfluous: Wiktionary
9. superfluous: Webster's New World College Dictionary, 4th Ed.
10. superfluous: The Wordsmyth English Dictionary-Thesaurus
11. superfluous: Infoplease Dictionary
12. superfluous: Dictionary.com
13. superfluous: Online Etymology Dictionary
14. superfluous: Cambridge Essential American English Dictionary
15. Superfluous (disambiguation), Superfluous: Wikipedia, the Free Encyclopedia
16. Superfluous: Online Plain Text English Dictionary
17. superfluous: Webster's Revised Unabridged, 1913 Edition
18. superfluous: Rhymezone
19. superfluous: AllWords.com Multi-Lingual Dictionary
20. superfluous: Webster's 1828 Dictionary
21. superfluous: Free Dictionary
22. superfluous: Mnemonic Dictionary
23. superfluous: Dictionary/thesaurus
24. superfluous: Wikimedia Commons US English Pronunciations

Business (2 matching dictionaries)

25. superfluous: Legal dictionary
26. BusinessDictionary.com (No longer online)

Computing (1 matching dictionary)

27. superfluous: Encyclopedia

Medicine (2 matching dictionaries)

28. Superfluous: MedTerms.com Medical Dictionary
29. Superfluous: Drug Medical Dictionary

Miscellaneous (1 matching dictionary)

30. superfluous: A Word A Day

(Note: See superfluously as well.)

Definitions from Wiktionary ( ) ▸ adjective:  In excess of what is required or sufficient. Similar: redundant, excess, supererogatory, surplus, spare, extra, worthless, otiose, supernumerary, pointless, more... Opposite: necessary, indispensable, essential, required, requisite Phrases: superfluous man, superfluous interval, The Diary of a Superfluous Man, superfluous to requirement, make superfluous, more... Adjectives: own, main, subordinate, redundant, quiet, weaker, latter, little Colors:     chartreuse,     mauve,     puce,     fuchsia,     periwinkle, more... ▸ Word origin ▸ Words similar to superfluous ▸ Usage examples for superfluous ▸ Idioms related to superfluous ▸ Wikipedia articles (New!) ▸ Popular nouns described by superfluous ▸ Words that often appear near superfluous ▸ Rhymes of superfluous ▸ Invented words related to superfluous