Sentence:  [T]he last stage in the evolution of the Russian literary avant-garde and its final demise was marked by its sharp and growing conflict with the rise of <WSD>newspeak</WSD>. The concept of <WSD>newspeak</WSD> has been with us now for quite some time. However, it only recently began to be treated as an exponent of a certain cultural vision advanced by sheer and impudent political power. At the same time, it is more than that. <WSD>Newspeak</WSD> can be defined as discourse, proper or peculiar to the totalitarian state and transmitted through the manipulative use of language to all sectors and institutions of the state. 
Meaning of the word marked with <WSD> tags:  Use of ambiguous, misleading, or euphemistic words in order to deceive the listener, especially by politicians and officials.