Study of adjectival prefixes "без-/бес-", "ин-/им-/ир-" and "не-", and ways of translating them into Persian language

This article is devoted to the considerations o the prefixes «без-/бес-», «ин-/им-/ир-» and «не-», that denote lack, deprivation or opposite of a feature and form adjectives in Russian language. They were chosen from among number of prefixes, that form adjectives, as subject of study. Distinguishing between meanings of these prefixes and shades of their meanings is of essential importance to understanding and comprehending texts and speeches and also during translation/interpretation. In this research we determine, what are the similarities and differences between these prefixes, bring examples for each prefix in conjunction with different adjectives, translate them to Persian language, and in the end classify meanings of each prefix according to classiffacation of Persian language’s parts of speech.