1. having the sour taste or smell of vinegar
2. bad-tempered or irritable in manner
Usage: informal

Examples

• The salad dressing had a vinegary taste that made her pucker.
• A vinegary smell filled the kitchen from the pickles.
• The old man gave us a vinegary look when we walked across his lawn.
• Her vinegary response showed she was clearly annoyed.
• The wine had turned vinegary after being left open too long.
• He spoke in a vinegary tone that made everyone uncomfortable.