bitter adj.
1 angry/unhappy
VERBS be, feel, seem | become, grow, turn He had grown bitter as the years passed. Loving relationships can turn bitter. | remain | leave sb, make sb The divorce had left her bitter.
ADV. extremely, very | quite, rather, slightly
PREP. about She still seems quite bitter about it. | towards I felt very bitter towards them.
2 very cold
VERBS be | become, turn The weather turned bitter. | remain
ADV. extremely, really, very | quite, rather
3 having a sharp taste
VERBS be, taste The drink tasted bitter.
ADV. extremely, very | rather, slightly, somewhat
You can also check other dicts: bitter (English, 中文解释 ), wordnet sense, Collins Definition