estimation

noun

es·​ti·​ma·​tion ˌe-stə-ˈmā-shən 

1

: judgment, opinion

a poor choice in my estimation

2

a

: the act of estimating something

b

: the value, amount, or size arrived at in an estimate

3

: esteem, honor

Synonyms

• assessment
• appraisal
• estimate
• evaluation
• appraisement

Examples of estimation in a Sentence

This is not, in my estimation, an efficient use of our resources.

She went down in her supporters' estimation after she voted against the plan.

Planning the project requires careful cost estimation.

Recent Examples on the Web

At the time, Netflix reported its viewership metrics differently, so that’s a rough estimation based on the 300M hours viewed that the streamer touted for the series. —Katie Campione, Deadline, 14 Oct. 2025

In the group’s estimation, participation in the body will always offer the potential for global influence. —Timothy Nerozzi, The Washington Examiner, 11 Oct. 2025

By his estimation, Whitcomb started drinking around age 13 or 14. —Josh Crutchmer, Rolling Stone, 11 Oct. 2025

Wall Street is coming up with its own estimations for what’s going on in the economy. —Sarah Min, CNBC, 10 Oct. 2025

Word History

First Known Use

14th century, in the meaning defined at sense 1

Phrases Containing estimation

• point estimation
• re-estimation
• rise in someone's estimation

Rhymes for estimation

• abdication
• aberration
• abjuration
• abnegation
• abrogation
• acceptation
• acclamation
• acclimation
• accusation
• activation
• actuation
• acylation

Kids Definition

estimation

noun

es·​ti·​ma·​tion ˌes-tə-ˈmā-shən 

1

: judgment sense 3, opinion

2

: estimate entry 2 sense 3

3

: esteem entry 1