# Synonyms of '**approximation**'

## noun

1 likenessDictionary, approach, correspondence

If two things or people have a likeness to each other, they are similar to each other.

That's a fair approximation of the way the next boss will be chosen.

likeness

If two things or people have a likeness to each other, they are similar to each other.

These stories have a startling likeness to one another.

resemblance

If there is a resemblance between two people or things, they are similar to each other.

There was a remarkable resemblance between them.

semblance

If there is a semblance of a particular condition or quality, it appears to exist, even though this may be a false impression.

They had nursed Peter back to some semblance of health.

2 guessDictionary, estimate, conjecture

A guess is an attempt to give an answer or provide an opinion which may not be true because you do not have definite knowledge about the matter concerned.

That's an approximation, but my guess is there'll be a reasonable balance.

guess

A guess is an attempt to give an answer or provide an opinion which may not be true because you do not have definite knowledge about the matter concerned.

He took her pulse and made a guess at her blood pressure.

estimate

An estimate is an approximate calculation of a quantity or value.

This figure is five times the original estimate.

conjecture

A conjecture is a conclusion that is based on information that is not certain or complete.

Your assertion is merely a conjecture, not a fact.

estimation

An estimation is an approximate calculation of a quantity or value.

estimations of pre-tax profits of £12.5 million

guesswork

Guesswork is the process of trying to guess or estimate something without knowing all the facts or information.

He bases his claim on a few facts and a lot of guesswork.

rough idea

rough calculation

ballpark figure (informal)

ballpark estimate (informal)

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## Additional synonyms

conjecture

A conjecture is a conclusion that is based on information that is not certain or complete.

Your assertion is merely a conjecture, not a fact.

theorizing

shot in the dark

guesstimate (informal)

## Source

Thesaurus for

**approximation**from the Collins English ThesaurusDictionary definition

An approximation is a fact , object, or description which is similar to something else, but which is not exactly the same.

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