underestimate

verb

un·​der·​es·​ti·​mate ˌən-dər-ˈe-stə-ˌmāt 

underestimated; underestimating; underestimates

transitive verb

1

: to estimate as being less than the actual size, quantity, or number

2

: to place too low a value on : underrate

underestimate

ˌən-dər-ˈe-stə-mət 

noun

underestimation

ˌən-dər-ˌe-stə-ˈmā-shən 

noun

Synonyms

• minimize
• underrate
• undervalue

Examples of underestimate in a Sentence

The city underestimated the cost of the new building.

The number of people in the crowd was underestimated by 5,000.

Never underestimate the importance of a good education.

Her talent has always been underestimated.

Recent Examples on the Web

The partnership represents a significant win for Intel, which years ago underestimated how graphics processors would come to dominate AI computing—a domain where Nvidia now leads. —Sheryl Estrada, Fortune, 24 Oct. 2025

Many sellers either fail to budget for these costs or vastly underestimate them. —Lew Sichelman, Miami Herald, 23 Oct. 2025

People underestimate the force and power of water. —Anna Skinner, MSNBC Newsweek, 22 Oct. 2025

Don’t underestimate the power of classic shapes—like a set of metallic orbs in varying sizes. —Audrey Lee, Architectural Digest, 21 Oct. 2025

Word History

First Known Use

1792, in the meaning defined at sense 1

Rhymes for underestimate

• borosilicate
• decontaminate
• deoxycholate
• deteriorate
• differentiate
• diisocyanate
• dinoflagellate
• excommunicate
• incapacitate
• insubordinate
• intercorporate
• interpenetrate

Kids Definition

underestimate

verb

un·​der·​es·​ti·​mate ˌən-də-ˈres-tə-ˌmāt 

1

: to estimate as being less than the actual size, quantity, or number

underestimate the cost of a new building

2

: to place too low a value on : underrate

underestimate an opponent

underestimate

-mət 

noun

underestimation

-ˌres-tə-ˈmā-shən 

noun