English to English
1. cause to be bitter or resentful
These injustices embittered her even more
2. add poison to
Her husband poisoned her drink in order to kill her
3. To taint or impregnate with venom, or any substance noxious to life; to poison; to render dangerous or deadly by poison, as food, drink, a weapon; as, envenomed meat, wine, or arrow; also, to poison (a person) by impregnating with venom.