The aim of this chapter is to determine the predominant criteria of manipulative political discourse by linguocognitive analysis of their manifestations in online newspapers. The author considers manipulation as a phenomenon of hidden and forcible influence, with both psychological and linguistic nature. Examples are selected from the popular online newspapers: The New York Times, The Independent, the CNBC, the European Security and Defense, the BBC. The study of the manipulative political discourse is conducted referring to the pragmatic approach and the critical discourse analysis. The research includes both qualitative and quantitative methods of evaluation based on the data provided by the expert group. The following predominant criteria of manipulative message have been differentiated: reinforcement, ambiguity, negativity, identification, and emotionality. The defined expressiveness of each criteria shows pragmatic aspect of manipulative political discourse in regard of its effect on the recipient. This section is expected to introduce criteria system of manipulative discourse evaluation. It also suggests prospect of further development of this research field.