/ ˈdeməgɒg; NAmE -gɑːg/ noun
( disapproving ) a political leader who tries to win support by using arguments based on emotion rather than reason
► dema·gog·ic / ˌdeməˈgɒgɪk; NAmE -ˈgɑːg-/ adjective
► dema·gogy / ˈdeməgɒgi; NAmE -gɑːgi/ noun [ U ]
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WORD ORIGIN
mid 17th cent.: from Greek dēmagōgos , from dēmos the people + agōgos leading (from agein to lead).