underestimate
definition: an estimation that is too low
example:
speech part: noun
definition: make too low an estimate of
example: I underestimated the work that went into the renovation.
speech part: verb
synonyms:
underrate
definition: make a deliberately low estimate
example:
speech part: verb
synonyms:
lowball
definition: assign too low a value to
example: Don't underestimate the value of this heirloom-you may sell it at a good price
speech part: verb
synonyms:
undervalue