v. t.
In comparison of it I undervalued all ensigns of authority. Atterbury. [ 1913 Webster ]
I write not this with the least intention to undervalue the other parts of poetry. Dryden. [ 1913 Webster ]
n. A low rate or price; a price less than the real worth; undervaluation. Milton. [ 1913 Webster ]
n. One who undervalues. [ 1913 Webster ]