We found 40 dictionaries that define the word significance:

General (26 matching dictionaries)

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

Art (1 matching dictionary)

25. Literary Criticism (No longer online)

Business (4 matching dictionaries)

26. SIGNIFICANCE: Accounting Glossary
27. significance: Glossary of research economics
28. significance: Legal dictionary
29. Accounting, Business Studies and Economics Dictionary (No longer online)

Computing (1 matching dictionary)

30. significance: Encyclopedia

Medicine (2 matching dictionaries)

31. online medical dictionary (No longer online)
32. significance: Medical dictionary

Miscellaneous (2 matching dictionaries)

33. Significance: Glossary of Terms in Parapsychology
34. significance: Idioms

Religion (1 matching dictionary)

35. Scientology® and Dianetics® (No longer online)

Science (3 matching dictionaries)

36. Bird On! (No longer online)
37. Significance: Eric Weisstein's World of Mathematics
38. Statistics (in particular, re-randomisation statistics) (No longer online)

(Note: See significances as well.)

Definitions from Wiktionary ( ) ▸ noun:  The extent to which something matters; importance ▸ noun:  Meaning. Similar: implication, signification, meaning, import, importance, relevance, significancy, unimportance, momentousness, insignificance, more... Opposite: insignificance, triviality, unimportance, inconsequence, negligibility Types: social significance, more... Phrases: statistical significance, significance level, Clinical significance, cultural significance, biological significance, more... Adjectives: great, special, statistical, clinical, little, political, particular, real, historical, social, full Colors:     gold,     silver,     red,     blue,     green, more... ▸ Word origin ▸ Words similar to significance ▸ Usage examples for significance ▸ Idioms related to significance ▸ Wikipedia articles (New!) ▸ Popular adjectives describing significance ▸ Words that often appear near significance ▸ Rhymes of significance ▸ Invented words related to significance