guestimate Definition
an estimate made without using adequate or complete information, or without absolute certainty.
Using guestimate: Examples
Take a moment to familiarize yourself with how "guestimate" can be used in various situations through the following examples!
Example
I can only give you a guestimate of how much the project will cost.
Example
The guestimate for the number of attendees was way off.
Example
We need to make a guestimate of how much time it will take to finish the task.
guestimate Synonyms and Antonyms
Synonyms for guestimate
- approximation
- rough calculation
- ballpark figure
Phrases with guestimate
Example
My educated guess is that the company will announce layoffs soon.
back-of-the-envelope calculation
a rough calculation done quickly, often on a piece of paper
Example
I did a back-of-the-envelope calculation and figured out that we could save money by buying in bulk.
a general principle or guideline that is not intended to be strictly accurate or reliable for every situation
Example
As a rule of thumb, you should save at least 10% of your income for retirement.
Origins of guestimate
blend of 'guess' and 'estimate'
Summary: guestimate in Brief
'Guestimate' [ˈɡestəmeɪt] is an estimation made without complete information or absolute certainty. It is often used in situations where a rough calculation is needed, such as 'I can only give you a guestimate of how much the project will cost.' Other phrases with similar meanings include 'educated guess,' 'back-of-the-envelope calculation,' and 'rule of thumb.'