- a harsh, acrid taste that is one of the four basic taste sensations; a taste that is not sour, sweet, or salty:The beer’s initial flavor profile is a faint bitterness, with a lingering, slightly cloying sweetness.
- a feeling of pain or distress: The bitter herbs at a Passover Seder are meant to remind us of the bitterness of slavery.
- a feeling of antagonism, hostility, or resentfulness: There was no shortage of people expressing frustration and bitterness about the slow pace of the relief efforts.
