Open English Wordnet
Adverbs
(r)approximately, about, close to, just about, some, roughly, more or less, around, or so(of quantities) imprecise but fairly close to correct“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”