Bitter

1. Having an acrid taste (usually from a basic substance).
2. Harsh, piercing or stinging.
3. Hateful or hostile.
4. Cynical and resentful.

Usage notes

• The one-word comparative form bitterer and superlative form bitterest exist, but are less common than their two-word counterparts more bitter and most bitter.

Synonyms[

• (cynical and resentful): jaded

Antonyms

• (cynical and resentful): optimistic