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

Tests included object recognition, distance estimation, and motion tracking across environments ranging from nighttime urban streets to crowded indoor spaces. — Neetika Walter, Interesting Engineering, 30 Oct. 2026

In the face of rising consolidation and monopolization in tech, David just couldn’t keep up with Goliath in Thomas’ estimation. — Ruben Circelli, PC Magazine, 29 Oct. 2026

By the team’s estimation, Monangai would have missed the first day of practice in preparation for the Week 8 game against the Seahawks on Monday night in Seattle. — Phil Thompson, Chicago Tribune, 29 Oct. 2026

In Mackay’s estimation, TSMC has earned its keep and then some. — Gaby Del Valle, The Verge, 29 Oct. 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