We found 2 dictionaries that define the word quackless:

General (2 matching dictionaries)

1. Quackless: Wordnik
2. quackless: Wiktionary

Definitions from Wiktionary (quackless) ▸ adjective:  Of a duck, that does not quack. ▸ Words similar to quackless ▸ Usage examples for quackless ▸ Idioms related to quackless ▸ Wikipedia articles (New!) ▸ Popular nouns described by quackless ▸ Words that often appear near quackless ▸ Rhymes of quackless ▸ Invented words related to quackless