Definition of about

• in rotation or succession; "turn about is fair play"
• on the move; "up and about"; "the whole town was astir over the incident"
• (of quantities) imprecise but fairly close to correct; "lasted approximately an hour"; "in just about a minute"; "hes about 30 years old"; "Ive 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"