We found 27 dictionaries that define the word ailing:

General (23 matching dictionaries)

1. ailing: Merriam-Webster
2. ailing: Oxford Learner's Dictionaries
3. ailing: Collins English Dictionary
4. ailing: Vocabulary.com
5. Ailing, ailing: Wordnik
6. ailing: Cambridge Advanced Learner's Dictionary
7. ailing: Wiktionary
8. ailing: Webster's New World College Dictionary, 4th Ed.
9. ailing: The Wordsmyth English Dictionary-Thesaurus
10. ailing: Infoplease Dictionary
11. Ailing, ailing: Dictionary.com
12. ailing: Cambridge Essential American English Dictionary
13. Ailing: Online Plain Text English Dictionary
14. ailing: Rhymezone
15. Ailing: AllWords.com Multi-Lingual Dictionary
16. ailing: Webster's 1828 Dictionary
17. ailing: FreeDictionary.org
18. ailing: Mnemonic Dictionary
19. ailing: TheFreeDictionary.com
20. ailing: Longman Dictionary of Contemporary English
21. ailing: Merriam-Webster

Business (1 matching dictionary)

22. ailing: Legal dictionary

Computing (1 matching dictionary)

23. ailing: Encyclopedia

Medicine (2 matching dictionaries)

24. ailing: Merriam-Webster Medical Dictionary
25. ailing: Medical dictionary

(Note: See ail as well.)

Definitions from Wiktionary ( ) ▸ noun:  An ailment. ▸ adjective:  Sickly; sick; ill; unwell. Similar: sickly, sick, indisposed, ill, poorly, unwell, peaked, adle, illative, angerness, more... Opposite: healthy, well, robust, fit, strong Types: cancer, diabetes, heart disease, Alzheimer's, Parkinson's, ALS, MS, more... Phrases: ailing on a flight, her ailing, more... Colors:     sallow,     sickly green,     gray,     faded blue,     washed-out pink, more... ▸ Words similar to ailing ▸ Usage examples for ailing ▸ Idioms related to ailing ▸ Wikipedia articles (New!) ▸ Popular adjectives describing ailing ▸ Popular nouns described by ailing ▸ Words that often appear near ailing ▸ Rhymes of ailing ▸ Invented words related to ailing