prone

to a high degree

to a very high degree

especially susceptible

more prone than other people or things

very susceptible

becoming more and more susceptible over time

to a moderate degree

having a natural tendency because of one's genes

well known for being susceptible, usually in a negative way

to have a natural tendency to be affected by something, especially something bad

to appear to have a tendency to be affected by something

to develop a tendency to be affected by something

to cause someone or something to become susceptible

to cause someone or something to be in a state of being susceptible

used to indicate what someone or something is susceptible to