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

Wahlberg, still sleek at 54, and cool as a dozen cucumbers, comes on like the more natural version of what Tom Cruise tried to bring off (and never quite did, in my estimation) in the Jack Reacher films. —Owen Gleiberman, Variety, 1 Oct. 2025

Purdy was listed as a non-participant on Monday’s injury report, which was solely an estimation, as the 49ers will practice only once (a walk-through on Tuesday) ahead of the Thursday night game at SoFi Stadium. —The Athletic Staff, New York Times, 30 Sep. 2025

In Democrats’ estimation, Republicans will eventually see their folly. —Philip Elliott, Time, 30 Sep. 2025

Cadets are also taught advanced land navigation skills and associated tasks, which include mounted land navigation, range estimation, terrain analysis, and call for fire. —Stephanie Kuzydym, Louisville Courier Journal, 24 Sep. 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