approximately
[adverb]
Synonyms: almost, about, around, circa (used with dates), close to, in the region of, just about, more or less, nearly, roughly

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Antonyms: exactly, precisely
Related Idioms: in round numbers, right about

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English Thesaurus: about, on, concerning/regarding, with regard to, re, ...

[TahlilGaran] English Synonym Dictionary ▲

See main entry: approximate

[TahlilGaran] Dictionary of Contemporary English ▲

about used when saying what the subject of something is:
She’s always talking about you.
In her novels she writes about life in South Africa.
There’s something I wanted to ask you about.
on about a particular subject:
a book on English grammar
a report on poverty in rural areas
concerning/regarding formal about:
Prince Saiid answered questions concerning Kuwait’s future.
The report raises a number of questions regarding food safety.
with regard to formal about – used especially when you want to start talking or writing about something:
Dear Sir, I’m writing with regard to your advertisement in The Times.
re used in business letters and in emails to introduce the subject that you are going to write about:
Re: Friday’s meeting
approximately more or less than a number or amount – used especially in technical or scientific contexts:
The company had total revenues of approximately $2 million.
The disease affects approximately 10% of the adult population.
roughly /ˈrʌfli/ about – used when you are trying to give someone a general idea of the size, amount, or number of something:
The two countries are roughly the same size.
Roughly how many miles do you travel a year?
around about a number or time – used when you are guessing:
I’ll be there around 5 o'clock.
The BBC broadcasts around 2,000 radio dramas every year.
somewhere/something in the region of formal about – used with very large numbers or amounts:
Last year he earned something in the region of $60 million.
It costs somewhere in the region of £100,000 to train a new doctor.
or so informal about – used after a period of time, a number, or an amount:
The journey takes an hour or so.
circa /ˈsɜːkə $ ˈsɜːr-/ formal about – used with dates a long time ago in the past:
The house was built circa 1530.
or more used after a number or amount, when the total may be a lot more:
A thirty-second commercial can cost £60,000 or more.
upwards of more than a number or amount:
The aircraft can carry upwards of 400 passengers.

[TahlilGaran] English Thesaurus ▲

approximately more or less than a number or amount – used especially in technical or scientific contexts:
The company had total revenues of approximately $2 million.
The disease affects approximately 10% of the adult population.
about more or less than a number or amount. ‘About’ is the usual word to use in everyday English:
It costs about $30 to get a visa.
There were about 50 people at the meeting.
roughly /ˈrʌfli/ about – used when you are trying to give someone a general idea of the size, amount, or number of something:
The two countries are roughly the same size.
Roughly how many miles do you travel a year?
around about a number or time – used when you are guessing:
I’ll be there around 5 o'clock.
The BBC broadcasts around 2,000 radio dramas every year.
somewhere/something in the region of formal about – used with very large numbers or amounts:
Last year he earned something in the region of $60 million.
It costs somewhere in the region of £100,000 to train a new doctor.
or so informal about – used after a period of time, a number, or an amount:
The journey takes an hour or so.
circa /ˈsɜːkə $ ˈsɜːr-/ formal about – used with dates a long time ago in the past:
The house was built circa 1530.
or more used after a number or amount, when the total may be a lot more:
A thirty-second commercial can cost £60,000 or more.
upwards of more than a number or amount:
The aircraft can carry upwards of 400 passengers.

[TahlilGaran] English Thesaurus ▲