0 present participle of underestimate --
1 to fail to guess or understand the real cost, size, difficulty, etc. of something: --
Don't underestimate the difficulties of getting both parties to the conference table.
Originally the contractor gave me a price of €2,000, but now they say they underestimated and it's going to be at least €3,000.
2 to fail to understand how strong, skilful, intelligent, or determined someone, especially a competitor, is: --
First, the authors are probably underestimating the incidence of hallucinations in the normal population.
Omitting this may lead to underestimating the magnitude and consequences of the marine-impact event.
In any case there is a risk in underestimating the -exibility of inherited systems.
All these factors probably contributed to underestimating the number of neurons whose nonlinear interactions lacked a peak at the origin.
The potentially high costs of permanent sequelae, for example, have often not been considered, thereby seriously underestimating cost savings from avoided cases of meningococcal disease.
Grossly underestimating the extent of plant interactions can have important consequences for understanding maintenance of diversity and community structure in tropical forests.
To reduce the chance of underestimating insect predation as explained above, we applied exclusion and non-exclusion treatments to each station.
The 'being' modest consists in simply underestimating self-worth.
