transitive verb-·mat·ed, -·mat·ing
transitive verbun·der·es·ti·mat·ed, un·der·es·ti·mat·ing, un·der·es·ti·mates
- To make too low an estimate of the quantity, degree, or worth of: Don't underestimate the difficulties involved in the project.
- To consider (someone) to be less capable or effective than is actually the case: underestimated his rivals and was outmaneuvered.
(third-person singular simple present underestimates, present participle underestimating, simple past and past participle underestimated)
under- +"Ž estimate