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

So what ends up happening in my estimation is a staggering number, 2%. —Dana Taylor, USA Today, 6 May 2026

By International Energy Agency chief Fatih Birol’s estimations, Europe has about three weeks of jet fuel remaining. —Sasha Rogelberg, Fortune, 4 May 2026

In his estimation, on-field success is the single largest driver of long-term enterprise value for sports teams. —Eben Novy-Williams, Sportico.com, 30 Apr. 2026

In his estimation, a recurring disbelief in the possibility of new technologies causes individuals to react in fear rather than appreciation when confronted by the new. —Literary Hub, 27 Apr. 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