prone What is the Definition of prone?Adjective:having a tendency (to)lying face downward Other meanings of prone (synonyms, cognates). ENRU prone склонный prone to склонный к Frequently viewed: merge meaningdefinition of thinleftmost meaninginside meaninglack meaningimage meaningsuit meaningdefinition of blindtank meaningabsence meaninglong in a sentencedefinition of later A B C D E F G H I J K L M N O P Q R S T U V W X Y Z