An estimate that is too low; a judgment or assessment of something that is less than its actual value.
The underestimation of resources needed led to delays in the project.
verb
To estimate (something) as being less than its actual value or importance.
Many people underestimate the time it takes to complete a project.
To consider (someone or something) as less capable or effective than they actually are.
It's a mistake to underestimate her ability to lead the team.
Etymology
Etymology for word underestimate traces back to the early 20th century, combining 'under' meaning less than and 'estimate' meaning to assess the value or quality.
Common Phrases and Expressions
don't underestimate
A warning to not evaluate someone or something as less significant or capable.
underestimate the competition
To consider rival entities as weaker or less capable than they actually are.
underestimate the risks
To assess the dangers or risks involved as less severe than they truly are.
Related Words
overestimate
To assess something as greater than its actual value.
estimate
To form an approximate judgment regarding the worth or magnitude of something.
Slang Meanings
To sleep on something
Don't sleep on him; he's way better than you think.
To play down
She really played down her skills at the audition.