Adjectives

(a)some(quantifier) used with either mass nouns or plural count nouns to indicate an unspecified number or quantity“have some milk”, “some roses were still blooming”, “having some friends over”, “some apples”, “some paper”
(s)somerelatively many but unspecified in number“they were here for some weeks”, “we did not meet again for some years”
(s)someremarkable“that was some party”, “she is some skier”

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”