acerbo

Etymology
From.

Adjective

 * 1) acerbic

Etymology
From.

Adjective

 * 1) unripe, premature
 * 2) acerbic, sour, bitter, harsh, crude
 * 3) hard, severe

Etymology
From.

Verb

 * 1)  to make harsh or bitter, embitter
 * 2)  to augment or aggravate something disagreeable, make worse, exacerbate

Etymology 1
.

Adjective

 * 1) acerbic bitter to the taste

Etymology
.

Adjective

 * 1) acerb bitter to the taste
 * 2) acerbic sour or bitter
 * 3) biting, scathing, acerbic