Froth″y (?), a. [Compar.Frothier (?); superl.Frothiest.] 1. Full of foam or froth, or consisting of froth or light bubbles; spumous; foamy.
2. Not firm or solid; soft; unstable. Bacon.
3. Of the nature of froth; light; empty; unsubstantial; as, a frothy speaker or harangue. Tillotson.