Answer: FROTHY

AnswerCrossword Clue
FROTHYEffervescent
FROTHYLike the head on a glass of beer
FROTHYUnsubstantial
FROTHYLike good meringue
FROTHYInsubstantial
frothyfoamy (covered with foam)
frothyunsubstantial; trifling; shallow; empty
frothyof, like, or having froth; foamy