Synonyms for sicken

verb

1. To contract a disease

   become ill, become sick, take sick, fall ill, become diseased, fall victim to a disease, be stricken, run a temperature, run a fever, be taken with, come down with, get a disease, catch a disease, pick up a disease, acquire, incur, suffer a relapse, languish, waste away, break out, catch one's death*, be laid by the heels*, pick up a bug*.

2. To offend

   repel, nauseate, revolt; see disgust.