Undervaluation

un·der·val·ue  (ndr-vly)

tr.v. un·der·val·ued, un·der·val·u·ing, un·der·val·ues

1. To assign too low a value to; underestimate.

2. To have too little regard or esteem for.

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under·valu·ation n.

Thesaurus

Noun

1.

undervaluation - too low a value or price assigned to something rating, valuation, evaluation - an appraisal of the value of something; "he set a high valuation on friendship"