Congenital is a term used to describe something that is present at birth, either genetically or environmentally. CONNATURAL is a 10 letter synonym for congenital, meaning existing in nature or having the same nature. INTRINSIC is a 9 letter synonym for congenital, meaning belonging to the ESSENTIAL nature of something. CONNATE is a 7 letter synonym for congenital, meaning related by birth or origin. FAMILIAL is an 8 letter synonym for congenital, meaning relating to a family or coming from one's family. ANCESTRAL is a 9 letter synonym for congenital, meaning related to one's ancestors. INSTINCTIVE is an 11 letter synonym for congenital, meaning arising from NATURAL instinct rather than from reasoning or observation. ESSENTIAL is a 9 letter synonym for congenital, meaning absolutely necessary. NATURAL is a 7 letter synonym for congenital, meaning existing in or caused by nature. CONSTITUTIONAL is a 14 letter synonym for congenital, meaning relating to the physical makeup of a person. INHERENT is an 8 letter synonym for congenital, meaning existing as an inseparable part of something. INBRED is a 6 letter synonym for congenital, meaning acquired by inheritance. INBUILT is a 7 letter synonym for congenital, meaning built-in or integral. INBORN is a 6 letter synonym for congenital, meaning existing at or from birth. INNATE is a 6 letter synonym for congenital, meaning existing in someone from birth.