He (a horse) went far, (S, Msb, K,) in his run. (S, Msb.)
2.
Hence, أَمْعَنَ فِىالطَّلَبِHe went very far in search: (Msb:) or he went far, or to a great or an extraordinary length, therein. (Mgh.)
3.
امعن فِى الشَّىْءِ, (Ham p. 817,) or فِى الأَمْرِ, (MA, K, Har p. 176,) He went far, (K, Ham, Har,) or deep, or beyond bounds, (MA,) in, or into, the thing, or affair. (Ham, &c.)