We found 19 dictionaries that define the word hard-core:

General (14 matching dictionaries)

1. hard-core: Merriam-Webster
2. hard-core: American Heritage Dictionary of the English Language
3. hard-core: Vocabulary.com
4. Hard-Core, Hard-core, hard-core: Wordnik
5. hard-core: Cambridge Advanced Learner's Dictionary
6. hard-core: Wiktionary
7. hard-core: Dictionary.com
8. hard-core: Cambridge Essential American English Dictionary
9. hard-core: Rhymezone
10. hard-core: FreeDictionary.org
11. hard-core: Mnemonic Dictionary
12. hard-core: TheFreeDictionary.com

Business (2 matching dictionaries)

13. MoneyGlossary.com (No longer online)
14. hard-core: Legal dictionary

Computing (1 matching dictionary)

15. hard-core: Encyclopedia

Science (1 matching dictionary)

16. hard-core: PlanetMath Encyclopedia

Slang (1 matching dictionary)

17. hard-core: Urban Dictionary

Definitions from Wiktionary ( ) ▸ adjective:  Alternative form of hardcore [Having an extreme dedication to a certain activity.] Similar: hard-working, hard-hearted, soft-core, hard-line, stone-hard, thorough-going, hard-shell, hardwearing, fullhearted, toughminded, more... Opposite: soft-core, moderate, mild, lenient Types: metal, punk, rock, hard rock, heavy metal, more... ▸ Words similar to hard-core ▸ Usage examples for hard-core ▸ Idioms related to hard-core ▸ Wikipedia articles (New!) ▸ Popular nouns described by hard-core ▸ Words that often appear near hard-core ▸ Rhymes of hard-core ▸ Invented words related to hard-core