We found 26 dictionaries that define the word arachnophobia:

General (16 matching dictionaries)

1. arachnophobia: Merriam-Webster
2. arachnophobia: Oxford Learner's Dictionaries
3. arachnophobia: American Heritage Dictionary of the English Language
4. arachnophobia: Collins English Dictionary
5. arachnophobia: Vocabulary.com
6. Arachnophobia, arachnophobia: Wordnik
7. arachnophobia: Cambridge Advanced Learner's Dictionary
8. arachnophobia: Wiktionary
9. arachnophobia: Dictionary.com
10. Arachnophobia (disambiguation), Arachnophobia (film), Arachnophobia (video game), Arachnophobia: Wikipedia, the Free Encyclopedia
11. arachnophobia: Grandiloquent Dictionary
12. arachnophobia: FreeDictionary.org
13. arachnophobia: The Phrontistery - A Dictionary of Obscure Words
14. arachnophobia: Mnemonic Dictionary
15. arachnophobia: TheFreeDictionary.com
16. arachnophobia: Merriam-Webster

Computing (1 matching dictionary)

17. arachnophobia: Encyclopedia

Medicine (7 matching dictionaries)

18. arachnophobia: Merriam-Webster Medical Dictionary
19. Dorland's Illustrated Medical Dictionary (No longer online)
20. Arachnophobia: MedTerms.com Medical Dictionary
21. online medical dictionary (No longer online)
22. Probert Encyclopaedia of Medicine (No longer online)
23. arachnophobia: Medical dictionary
24. Arachnophobia: Drug Medical Dictionary

Miscellaneous (1 matching dictionary)

25. Arachnophobia: The Phobia List

Slang (1 matching dictionary)

26. arachnophobia: Urban Dictionary

Definitions from Wiktionary (arachnophobia) ▸ noun:  An abnormal or irrational fear of arachnids, especially spiders. Similar: arachniphobia, arachnephobia, arachnophobe, spider-fear, arachnophobiac, araneophobia, arachnophobic, arachnophile, astraphobia, astrapophobia, more... Opposite: arachnophilia Types: apiphobia, entomophobia, acarophobia, arachnephobia, more... ▸ Words similar to arachnophobia ▸ Usage examples for arachnophobia ▸ Idioms related to arachnophobia ▸ Wikipedia articles (New!) ▸ Popular adjectives describing arachnophobia ▸ Words that often appear near arachnophobia ▸ Rhymes of arachnophobia ▸ Invented words related to arachnophobia