Simple Definition of second nature
: something you can do easily or without much thought because you have done it many times before
Full Definition of second nature
: an acquired deeply ingrained habit or skill <after a while, using the gearshift becomes second nature>
Examples of second nature
After a while, using the gearshift becomes second nature.
<speaking and thinking in Japanese simply became second nature to her during the years she spent in Kyoto>
First Known Use of second nature
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