1. or so - Adverb
2. or so - Phrase
(of quantities) imprecise but fairly close to correct
Source: WordNetOf all our dreams today there is none more important - or so hard to realise - than that of peace in the world. May we never lose our faith in it or our resolve to do everything that can be done to convert it one day into reality. Lester B. Pearson
Frankly, despite my distaste of the press, I'd love to rise from the grave every ten years or so and go buy a few newspapers. Luis Buñuel
It will be of little avail to the people that the laws are made by men of their own choice if the laws be so voluminous that they cannot be read, or so incoherent that they cannot be understood. James Madison
Oh, yeah, I love DVD's. I don't have what you'd call an extensive collection, maybe a couple of hundred or so. But I have something on almost all the time. David Fincher
No man is so young he cannot teach, or so old he cannot learn. Darkovan Proverb
Who is so deaf or so blind as he that willfully will neither hear nor see? English Proverb