Indefinite Pronoun

Indefinite pronoun: যে সকল pronoun কোনো অনির্দিষ্ট ব্যক্তি বা বস্তুকে বোঝায়। 
যেমন: One, no one, none, any, anyone, anybody, some, someone, somebody, everyone, everybody, another, others, most, everything, something, nothing, many, all, few, little, much, many, more, etc.

Reference: Master English