UNDERVALUED
Adjective
undervalued (comparative more undervalued, superlative most undervalued)
Assigned an in appropriately low value.
Verb
undervalued
simple past tense and past participle of undervalue
Source: Wiktionary
UNDERVALUE
Un`der*val"ue, v. t.
1. To value, rate, or estimate below the real worth; to depreciate.
2. To esteem lightly; to treat as of little worth; to hold in mean
estimation; to despise.
In comparison of it I undervalued all ensigns of authority.
Atterbury.
I write not this with the least intention to undervalue the other
parts of poetry. Dryden.
Un`der*val"ue, n.
Definition: A low rate or price; a price less than the real worth;
undervaluation. Milton.
Source: Webster’s Unabridged Dictionary 1913 Edition