Синонимайзер без потери смысла (Synonymizer without loss of meaning) is a Russian language synonym finder developed by Textadviser. This program allows users to find synonyms for words in text without losing meaning, which can be useful for increasing text uniqueness. The program offers both automatic and manual modes, with the latter allowing users to select appropriate synonyms to minimize loss of meaning.

The program uses a dictionary as well as semantic analysis to find synonyms, and the standard version allows for analysis of up to 1000 characters of text and up to 5 synonyms per word. The PRO version offers analysis of up to 10,000 characters of text and up to 20 synonyms per word. Overall, Синонимайзер без потери смысла is a useful tool for those looking to increase the uniqueness of their Russian language texts.