[UNDER-1 4 b.]
1. trans. To look at, or inspect, from beneath.
1682. Hickeringill, Black Non-Conf., iii. 14. They would be Shepherds and feed his Sheep, and anoint them for the Scab, and underlook them.
1873. Mrs. Whitney, Other Girls, xviii. The place where they could lean in between the trees, and overlook and underlook the shining tumult.
2. To miss seeing by looking too low.
1802. Beddoes, Hygëia, II. 56. Do they not underlook that sole essential condition to happiness, the inward state?