1599, William Shakespeare, ,BENEDICK. Signior Leonato, let the friar advise you:And though you know my inwardness and loveIs very much unto the prince and Claudio,Yet, by mine honour, I will deal in thisAs secretly and justly as your soulShould with your body.
(obsolete) heartiness; earnestnessWhat was wanted was more inwardness, more feeling. — M. Arnold.