Prone/prəʊn/ Definition 1 of 2Pro Tip 1/3Negative Associations This usage often relates to unfavorable tendencies or vulnerabilities. Alex is prone to exaggeration; take his stories with a grain of salt. Pro Tip 2/3Not Definite Being prone to something doesn't guarantee it will happen, just that it's likely. As a doctor, she's prone to working long hours. Pro Tip 3/3Context Dependent The specific inclination mentioned can vary based on context, from habits to ailments. Tropical regions are prone to heavy rainfall.