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 of estimation

• 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

By her own estimation, Moran’s bottle-fed more than 300 animals over the last decade and a half. — Adam Tschorn, Los Angeles Times, 8 Sep. 2026

That’s about 197 mph, and about 35 mph to 40 mph too fast, in his estimation. — David Goodhue, Miami Herald, 7 Sep. 2026

Once the Premier League’s four per cent transfer levy is added, alongside an estimation of agent fees, City’s gross spend comes in at £514m — likely a single-window record in football. — Sam Lee, New York Times, 3 Sep. 2026

After the speech, financial markets increased their estimation of the likelihood of an interest rate increase, according to the CME Group. — Bill Conerly, Forbes.com, 28 Aug. 2026

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