From WordNet (r) 3.0 (2006) [wn]:
or so
adv 1: (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" [syn: approximately, about,
close to, just about, some, roughly, {more or
less}, around, or so]