This is the 10219th most frequent Portuguese word.
envenenar
To poison.
In this sentence, 'envenenar' is employed in its literal sense, meaning to poison someone or something.
O vilão planejou envenenar o herói para se livrar da ameaça.
The villain planned to poison the hero to get rid of the threat.
Here, 'envenenar' is used metaphorically to indicate causing harm or negatively affecting someone's emotions or state.
As palavras do crítico pareceram envenenar a alegria do autor.
The critic's words seemed to poison the author's happiness.
In this usage, 'envenenar' metaphorically suggests allowing harmful influences to affect one's thoughts or mental state.