CONGENITAL
congenital, inborn, innate
(adjective) present at birth but not necessarily hereditary; acquired during fetal development
Source: WordNet® 3.1
Adjective
congenital (not comparable)
(of a trait or a disease) Present since birth.
Synonyms: congenite (obsolete), genetous (archaic), Thesaurus:innate
Antonym: acquired
Source: Wiktionary
Con*gen"i*tal, a. Etym: [From Congenite.]
Definition: Existing at, or dating from, birth; pertaining to one from
birth; born with one; connate; constitutinal; natural; as, a
congenital deformity. See Connate.
Source: Webster’s Unabridged Dictionary 1913 Edition