UNDERVAL'UE, verb transitive 1. To value, rate or estimate below the real worth. 2. To esteem lightly; to treat as of little worth. In comparison of the discharge of my duties, I undervalued all designs of authority. 3. To despise; to hold in mean estimation. I write not this with the least intention to undervalue the other parts of poetry. UNDERVAL'UE, noun Low rate or price; a price less than the real worth.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI