second nature
noun
an acquired habit or tendency in one's character that is so deeply ingrained as to appear automatic: Neatness is second nature to him.
Origin of second nature
First recorded in 1655–65
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for second nature
Historical Examples of second nature
Telling lies is a fault in a boy, an art in a lover, an accomplishment in a bachelor, and second-nature in a married man.
A Guide to MenHelen Rowland
She struck more chords, her fingers finding the keys with the second-nature sureness, learned in her months of dreary practice.
Rough-HewnDorothy Canfield
second nature
noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Online Etymology Dictionary, © 2010 Douglas Harper
second nature
The American Heritage® Idioms Dictionary
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