We found 17 dictionaries that define the word quackish:

General (13 matching dictionaries)

1. quackish: Merriam-Webster
2. quackish: Oxford Learner's Dictionaries
3. quackish: Collins English Dictionary
4. quackish: Wordnik
5. quackish: Wiktionary
6. quackish: Webster's New World College Dictionary, 4th Ed.
7. Quackish, quackish: Dictionary.com
8. Quackish: Online Plain Text English Dictionary
9. quackish: Webster's Revised Unabridged, 1913 Edition
10. Quackish: AllWords.com Multi-Lingual Dictionary
11. quackish: Webster's 1828 Dictionary
12. quackish: FreeDictionary.org
13. Quackish: TheFreeDictionary.com

Business (1 matching dictionary)

14. quackish: Legal dictionary

Computing (1 matching dictionary)

15. quackish: Encyclopedia

Medicine (2 matching dictionaries)

16. quackish: Merriam-Webster Medical Dictionary
17. quackish: Medical dictionary

(Note: See quack as well.)

Definitions from Wiktionary (quackish) ▸ adjective:  Like a quack (fraudulent doctor), or characteristic of quackery. Similar: quacklike, quacky, charlatanical, mountebankish, quagmirish, quilly, quirkish, quichelike, quaillike, charlatanish, more... Opposite: legitimate, authentic, credible, genuine ▸ Words similar to quackish ▸ Usage examples for quackish ▸ Idioms related to quackish ▸ Wikipedia articles (New!) ▸ Popular nouns described by quackish ▸ Words that often appear near quackish ▸ Rhymes of quackish ▸ Invented words related to quackish