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

According to YouTube, the age estimation model uses a variety of signals such as YouTube activity and longevity of the account. —Todd Spangler, Variety, 13 Aug. 2025

To stay ahead, companies need to treat estimation as a core function. —Dan Galorath, Forbes.com, 8 Aug. 2025

This is based on estimations from Yale School of Medicine researchers who have assessed how many adolescents and young adults in the US are eligible for the drugs and how many can realistically access them. —Hannah Millington, MSNBC Newsweek, 4 Aug. 2025

By Hunt’s estimation, stadium projects take 4 1/2-5 years to complete, and the Truman Sports Complex lease for GEHA Field at Arrowhead Stadium and Kauffman Stadium expires on Jan. 31, 2031. —Blair Kerkhoff, Kansas City Star, 28 July 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