instinct

noun
UK /ˈɪn.stɪŋkt/
US /ˈɪn.stɪŋkt/

A feeling inside you that tells you what to do without thinking.

Birds build nests by instinct.


OTHER MEANINGS

2. A natural ability or talent that you are born with.

She has an instinct for music.

3. A sudden strong feeling that makes you want to do something.

My instinct was to run away.

4. The way animals naturally know how to behave without being taught.

Salmon swim upstream by instinct.