Adjective : a vinegarish odor; a vinegarish disposition.    From Dictionary.com. 

"It does taste vaguely vinegarish," Patrick conceded.    From Wordnik.com.  [The readers' room: What you thought of G2 this week] Reference

I could smell him now, vinegarish, hormonally charged.    From Wordnik.com.  [Excerpt: Monster by Jonathan Kellerman] Reference

Like Winthorpe's, his blood was black and icy and vinegarish.    From Wordnik.com.  [My Friend Prospero] Reference

Believe me, Anastasia, the most vinegarish prude could never object to Lady.    From Wordnik.com.  [Gallantry Dizain des Fetes Galantes] Reference

We dote upon vinegarish old maids, self - righteous men, and canting women when they are exposed by narrative art, and especially when poetic justice wrecks them.    From Wordnik.com.  [Definitions: Essays in Contemporary Criticism] Reference

Hannan keeps presenting new and interesting views of how this whole nationhood and union fit together, he has a suitably vinegarish tongue for most subjects, except for Peter Hain where his familiarity with the oil stain shows through.    From Wordnik.com.  [Libertarian Blog Place] Reference

He maintained an elm-shaded residence on Front Street, presided over by an ancient housekeeper, of certain and gusty disposition, who had guided his first toddling steps and grieved with him for childhood's insupportable wrongs, and whose vinegarish disapprovals were still feared by Mitchell; it was for her praise or blame that his overt walk and conversation were austere and godly, his less laudable activities so mole-like.    From Wordnik.com.  [Copper Streak Trail] Reference

It does taste vaguely vinegarish.    From Wordnik.com.  [The Guardian World News] Reference

"How vinegarish," said Amy.    From Wordnik.com.  [The Campfire Girls of Roselawn Or, a Strange Message from the Air] Reference

"She's very skinny and vinegarish.    From Wordnik.com.  [Captain Jim] Reference