The given article dwells on the scope of suffixes in the formation of poly-semantic verbs in Tajik literary language referring to the 11th century. It is noted that a group of verbs formed by means of suffixes are used with several semantic nuances. In conformity with the author’s opinion one can assert that such lexical units express from two to thirteen meanings. Of course, the number of such verbs with all meanings is not identical: the number of verbs used in two meanings is greater, but words used in thirteen meanings are lesser.