noun
an estimation that is too low; an estimate that is less than the true or actual value
• Syn: ↑underestimate, ↑underestimation, ↑underreckoning
• Derivationally related forms: ↑underrate, ↑underestimate (for: ↑underestimation), ↑underestimate (for: ↑underestimate)
• Hypernyms: ↑estimate, ↑estimation, ↑approximation, ↑idea
Useful english dictionary. 2012.