We found 16 dictionaries that define the word thirty years' war:

General (14 matching dictionaries)

1. thirty years war: Longman Dictionary of Contemporary English
2. Thirty Years War: Oxford Learner's Dictionaries
3. Thirty Years' War: American Heritage Dictionary of the English Language
4. Thirty Years' War, Thirty Years' War: Collins English Dictionary
5. Thirty Years' War: Vocabulary.com
6. Thirty Years' War: The Wordsmyth English Dictionary-Thesaurus
7. Thirty Years' War, thirty years war: Dictionary.com
8. The Thirty Years War, Thirty Years War (disambiguation), Thirty Year's War, Thirty Years' War, Thirty Years War, Thirty Years' war, Thirty Years war, Thirty years war: Wikipedia, the Free Encyclopedia
9. Thirty years' war: Rhymezone
10. thirty years war: FreeDictionary.org
11. thirty years' war: Mnemonic Dictionary
12. Thirty Years' War: TheFreeDictionary.com
13. Thirty Years War: Dictionary of Phrase and Fable (1898)
14. Thirty Years' War: Wiktionary

Computing (1 matching dictionary)

15. The Thirty Years War, Thirty-Years War, Thirty Years' War, Thirty Years War, Thirty year's war: Encyclopedia

Religion (1 matching dictionary)

16. Thirty Years War: Catholic Encyclopedia

Definitions from Wiktionary (Thirty Years' War) ▸ noun:  (historical) A conflict fought largely within the Holy Roman Empire from 1618 to 1648. ▸ Words similar to thirty years' war ▸ Usage examples for thirty years' war ▸ Idioms related to thirty years' war ▸ Wikipedia articles (New!) ▸ Words that often appear near thirty years' war ▸ Rhymes of thirty years' war ▸ Invented words related to thirty years' war