Definition of "yeasty" []

• Of, similar to, or containing yeast: yeasty dough. (adjective)
• Causing or characterized by unrest or agitation; turbulent: the yeasty days before the new government was established. (adjective)
• Frothy; frivolous: a yeasty comedy. (adjective)
• Full of productivity or vitality; exuberantly creative. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The look-out next morning was dismal – the river running high in yeasty waves; the boats all huddled together under the shore; the western bank hidden in clouds of sand."
• "Up to twenty a boy's years were kind of yeasty and uncertain, and if he was any way self-headed he ought to be left to run."
• "Their articles, it is true, were often a kind of yeasty collection of fond and winnowed opinions, but among these shallow fopperies there would at times be heard a strain of higher mood."