the past participle (in most passive uses) of bear1 (sense 4)
2.
was not born yesterday, is not gullible or foolish
adjective
3.
possessing or appearing to have possessed certain qualities from birth: a born musician
4.
being at birth in a particular social status or other condition as specified: ignobly born
(in combination): lowborn
5.
(informal) in all one's born days, so far in one's life
Usage note
Care should be taken not to use born where borne is intended: he had borne (not born) his ordeal with great courage; the following points should be borne in mind
Born
/bɔːn/
noun
1.
Max. 1882–1970, British nuclear physicist, born in Germany, noted for his fundamental contribution to quantum mechanics: Nobel prize for physics 1954
Word Origin and History for born yesterday
born
Old English boren, alternative past participle of beran (see bear (v.)). Distinction between born and borne is 17c.