| v. t. | 1. | To set too low a value on; to estimate below the truth. |
| n. | 1. | The act of underestimating; too low an estimate. |
| Noun | 1. | underestimate - an estimation that is too low; an estimate that is less than the true or actual value |
| Verb | 1. | underestimate - assign too low a value to; "Don't underestimate the value of this heirlooom-you may sell it at a good price" Synonyms: undervalue Antonyms: overvalue, overestimate - assign too high a value to; "You are overestimating the value of your old car" |
| 2. | underestimate - make a deliberately low estimate; "The construction company wanted the contract badly and lowballed" Synonyms: lowball | |
| 3. | underestimate - make too low an estimate of; "he underestimated the work that went into the renovation"; "Don't underestimate the danger of such a raft trip on this river" Synonyms: underrate Antonyms: overestimate, overrate - make too high an estimate of; "He overestimated his own powers" |