simple past tense and past participle of underestimate

(transitive) To perceive (someone or something) as having a lower value, quantity, worth, etc., than what he/she/it actually has.

An estimate that is too low.

plural of underestimate

Third-person singular simple present indicative form of underestimate

An underestimate

plural of underestimation

present participle of underestimate

One who underestimates.

plural of underestimator