approximately

Từ điển WordNet v3.1 - WordNet Dictionary

adverb

(of quantities) imprecise but fairly close to correct (Freq. 26)
- lasted approximately an hour
- in just about a minute
- he's about 30 years old
- I've had about all I can stand
- we meet about once a month
- some forty people came
- weighs around a hundred pounds
- roughly $3,000
- holds 3 gallons, more or less
- 20 or so people were at the party
• Syn:
about, close to, just about, some, roughly,
more or less, around, or so