We found 22 dictionaries that define the word sif:

General (12 matching dictionaries)

1. sif: Collins English Dictionary
2. Sif: Vocabulary.com
3. Sif, sif: Wordnik
4. Sif: Wiktionary
5. SIF: Dictionary.com
6. SIF, Sif (Marvel Comics), Sif (comics), Sif (disambiguation), Sif: Wikipedia, the Free Encyclopedia
7. Sif: Rhymezone
8. SIF: Stammtisch Beau Fleuve Acronyms
9. Sif: Dictionary of Phrase and Fable (1898)
10. sif: FreeDictionary.org
11. sif: Mnemonic Dictionary
12. Sif: TheFreeDictionary.com

Medicine (2 matching dictionaries)

13. online medical dictionary (No longer online)
14. Hepatitis C Information Central (No longer online)

Miscellaneous (3 matching dictionaries)

15. SIF: Acronym Finder
16. SIF: Three Letter Words with definitions
17. AbbreviationZ (No longer online)

Science (1 matching dictionary)

18. SIF: Cytokines & Cells Online Pathfinder Encyclopaedia

Slang (2 matching dictionaries)

19. Sif: Green’s Dictionary of Slang
20. s.i.f: Urban Dictionary

Tech (2 matching dictionaries)

21. SIF: GEOGRAPHIC INFORMATION SYSTEMS, CARTOGRAPHY, AND REMOTE SENSING
22. DOD Dictionary of Military Terms: Joint Acronyms and Abbreviations (No longer online)

(Note: See sifs as well.)

Definitions from Wiktionary (Sif) ▸ noun:  (Norse mythology) A golden-haired goddess associated with earth, mother of Ullr and wife of Thor. ▸ adjective:  (South Africa, slang) Foul, disgusting. Similar: Freyja, Freya, Frigga, Frigg, frig, nanna, Ullr, Eisa, aesir, Sirona, more... Phrases: iff sif, more... Adjectives: dynamic, fair, poor, dermo, proud, local, haired, standard ▸ Words similar to sif ▸ Usage examples for sif ▸ Idioms related to sif ▸ Wikipedia articles (New!) ▸ Popular adjectives describing sif ▸ Popular nouns described by sif ▸ Words that often appear near sif ▸ Rhymes of sif ▸ Invented words related to sif