underrating

un·der·rate

U0056500 (ŭn′dər-rāt′)tr.v. un·der·rat·ed, un·der·rat·ing, un·der·rates To rate too low; underestimate.

Thesaurus

Noun

1.

underrating - an estimation that is too low; an estimate that is less than the true or actual valueunderestimate, underestimation, underreckoningapproximation, estimate, estimation, idea - an approximate calculation of quantity or degree or worth; "an estimate of what it would cost"; "a rough idea how long it would take"