rough‧ly S2 / rʌfli / 副词

1 not exactly 同义词 about , approximately :

There were roughly 200 people there.

Azaleas flower at roughly the same time each year.

roughly equal/comparable/equivalent

two rocks of roughly equal size

roughly speaking (= used when saying something without giving exact details or information )

Roughly speaking, I’d say we need about $500.

2 not gently or carefully :

He grabbed her roughly.

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 / rʌfli / 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 / sɜkə $ sɜr- / 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.