1. (v. t.) To rate too low; to undervalue\.

2. (n.) A price less than the value; as, to sell a thing at an underrate.

belittle decry deprecate depreciate devaluate devalue disparage lower make light of make little of make nothing of mark down minimize misestimate misprize sell short set at naught set little by shrug off think little of think nothing of underestimate underprize underreckon undervalue write down write off