vinegar
nounUK /ˈvɪn.ɪ.ɡər/
US /ˈvɪn.ə.ɡɚ/
Vinegar is a sour liquid used to flavor food or clean things.
She added a splash of vinegar to the salad dressing.
OTHER MEANINGS
2. A sour or ill-tempered mood or manner.
His voice dripped with vinegar after the argument.
3. Energy or vigor, especially in the phrase 'full of vinegar'.
The young team played with vinegar and never gave up.
4. A solution of acetic acid used as a household cleaning agent.
He wiped the windows with vinegar and water.