verb (used with object), un·der·val·ued, un·der·val·u·ing.
- to value below the real worth; put too low a value on.
- to diminish in value; make of less value.
- to have insufficient regard or esteem for; hold too low an opinion of.
verb -values, -valuing or -valued
- (tr) to value at too low a level or price
v.1590s, “to rate as inferior in value” (to), from under + value (v.). Sense of “to estimate or esteem too low” is recorded from 1610s. Meaning “to rate at too low a monetary value” is attested from 1620s.