1. 倾向；禀性
If you have a predisposition to behave in a particular way, you tend to behave like that because of the kind of person that you are or the attitudes that you have.

2. （易患某种疾病的）倾向，体质
If you have a predisposition to a disease or illness, it is likely that you will suffer from that disease or illness.

1. a disposition in advance to react in a particular way

2. an inclination beforehand to interpret statements in a particular way

3. susceptibility to a pathogen

Synonym: sensitivity