quacky
/ˈkwæki/
adjective
- Resembling or characteristic of a quack (a fraudulent doctor); suggesting fake or unproven medical claims.
- I felt the herbal supplement's claims were a bit quacky and not backed by science.
- His quacky advice about curing colds with garlic juice made everyone skeptical.
- The advertisement had a quacky tone, promising instant weight loss with no effort.
- Making a sound like a duck's quack.
- Her laugh was high and quacky, like a duck's call.
- The old rubber duck had a quacky squeak that delighted the children.
- The toy made a quacky noise when you squeezed it.
Synonyms