Noah Webster's Dictionary 1. (a.) Urged or stimulated from within; naturally moved or impelled; imbued; animated; alive; quick; as, birds instinct with life. 2. (a.) Natural inward impulse; unconscious, involuntary, or unreasoning prompting to any mode of action, whether bodily, or mental, without a distinct apprehension of the end or object to be accomplished. 3. (a.) Specif., the natural, unreasoning, impulse by which an animal is guided to the performance of any action, without of improvement in the method. 4. (n.) A natural aptitude or knack; a predilection; as, an instinct for order; to be modest by instinct. 5. (v. t.) To impress, as an animating power, or instinct.

Multi-Version Concordance Instinct (3 Occurrences) Romans 2:14 For when Gentiles who have no Law obey by natural instinct the commands of the Law, they, without having a Law, are a Law to themselves; (WEY NAS) 2 Peter 2:12 But these men, like brute beasts, created (with their natural instincts) (Root in WEY NAS RSV NIV) Jude 1:10 Yet these men are abusive in matters of which they know nothing, and in things which, like the brutes, they understand instinctively--in all these they corrupt themselves. (Root in WEY NAS RSV NIV)