The attitude of indifference to the distractions of the outside world advocated by the Roman poet Horace.
Expressing or adopting an attitude or philosophy of indifference to the outside world.
Mid 17th century; earliest use found in Henry Hammond (1605–1660), Church of England clergyman and theologian. From classical Latin nīl admīrārī, in nil admirari prope res est una…quae possit facere et servare beatum, ‘to wonder at nothing is just about the only way a man can become contented and remain so’ (Horace Epistles 1. 6. 1) from nīl + admīrārī.