We found 9 dictionaries that define the word hard-boiled egg:

General (7 matching dictionaries)

1. hard-boiled egg: Vocabulary.com
2. hard-boiled egg: Dictionary.com
3. Hard-boiled egg: Wikipedia, the Free Encyclopedia
4. hard-boiled egg: Rhymezone
5. hard-boiled egg: FreeDictionary.org
6. hard-boiled egg: Mnemonic Dictionary
7. hard-boiled egg: TheFreeDictionary.com

Art (1 matching dictionary)

8. Epicurus.com Spanish Glossary (No longer online)

Slang (1 matching dictionary)

9. hard-boiled egg: Green’s Dictionary of Slang

(Note: See hard-boiled_eggs as well.)

Definitions from WordNet (hard-boiled egg) ▸ noun:  an egg boiled gently until both the white and the yolk solidify Opposite: soft-boiled egg, runny egg, poached egg ▸ Words similar to hard-boiled egg ▸ Usage examples for hard-boiled egg ▸ Idioms related to hard-boiled egg ▸ Wikipedia articles (New!) ▸ Words that often appear near hard-boiled egg ▸ Rhymes of hard-boiled egg ▸ Invented words related to hard-boiled egg