1.Definition: (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"
2.Definition: relatively many but unspecified in number
"They were here for some weeks", "We did not meet again for some years"
3.Definition: relatively much but unspecified in amount or extent
"We talked for some time", "He was still some distance away"
"That was some party", "She is some skier"