HyperDic: second_nature

English > 1 sense of the expression *second nature*:
NOUN	act	second nature	acquired behavior that is practiced so long it seems innate / innate

English > *second nature*: 1 sense > noun 1, act
Meaning	acquired behavior that is practiced so long it seems innate / innate.
Broader	habit, use	(psychology) an automatic pattern of behavior in reaction to a specific situation