2. A powerful motivation or impulse.
3. An innate capability or aptitude: an instinct for tact and diplomacy.
1. Deeply filled or imbued: words instinct with love.
2. Obsolete. Impelled from within.
• 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.
• An instinct is a propensity prior to experience, and independent of instructions. --Paley.
• An instinct is a blind tendency to some mode of action, independent of any consideration, on the part of the agent, of the end to which the action leads. --Whately.
An instinct is an agent which performs blindly and ignorantly a work of intelligence and knowledge. --Sir W. Hamilton.
• By a divine instinct, men's minds mistrust Ensuing dangers. --Shak.
• The natural, unreasoning, impulse by which an animal is guided to the performance of any action, without of improvement in the method.
• The resemblance between what originally was a habit, and an instinct becomes so close as not to be distinguished. --Darwin.
• A natural aptitude or knack; a predilection; as, an instinct for order; to be modest by instinct.
My senses aren't tingling at all -- my instincts have failed humanity!
Guy 1: My instincts tell me I should NOT be doing this, but I gotta be strong!
Guy 2: Dude, you're only bench-pressing like 45 pounds!
If teen-aged males trusted their instincts more, they wouldn't say the (too often) famous last words: "Hey, watch THIS!"