We found 26 dictionaries that define the word heartsick:

General (23 matching dictionaries)

1. heartsick: Merriam-Webster
2. heartsick: Oxford Learner's Dictionaries
3. heartsick: American Heritage Dictionary of the English Language
4. heartsick: Collins English Dictionary
5. heartsick: Vocabulary.com
6. Heartsick, heartsick: Wordnik
7. heartsick: Cambridge Advanced Learner's Dictionary
8. heartsick: Wiktionary
9. heartsick: Webster's New World College Dictionary, 4th Ed.
10. heartsick: The Wordsmyth English Dictionary-Thesaurus
11. heartsick: Infoplease Dictionary
12. Heartsick: Dictionary.com
13. heartsick: Rhymezone
14. Heartsick: AllWords.com Multi-Lingual Dictionary
15. heartsick: FreeDictionary.org
16. heartsick: Mnemonic Dictionary
17. heartsick: TheFreeDictionary.com
18. heartsick: Dictionary.com
19. heartsick: Cambridge Essential American English Dictionary
20. Heartsick: Online Plain Text English Dictionary
21. heartsick: Webster's Revised Unabridged, 1913 Edition

Business (1 matching dictionary)

22. heartsick: Legal dictionary

Medicine (1 matching dictionary)

23. online medical dictionary (No longer online)

Slang (1 matching dictionary)

24. heartsick: Urban Dictionary

(Note: See heartsickness as well.)

Definitions from Wiktionary ( ) ▸ adjective:  Very despondent or sorrowful; heartsore. Similar: brokenhearted, heartbroken, sorrowful, despondent, hopeless, low-hearted, depressed, dejected, disheartening, downcast, more... Opposite: joyful, elated, happy, content Types: grieved, sorrowful, disheartened, heartbroken, wistful, more... ▸ Words similar to heartsick ▸ Usage examples for heartsick ▸ Idioms related to heartsick ▸ Wikipedia articles (New!) ▸ Popular nouns described by heartsick ▸ Words that often appear near heartsick ▸ Rhymes of heartsick ▸ Invented words related to heartsick