cant
definition
insincere, especially conventional expressions of enthusiasm for high ideals, goodness, or piety
example
The politician's speech was full of cant about helping the poor, but his actions showed he cared only for himself.
synonyms
hypocrisyinsincerityempty talk
word origin — The word 'cant' originates from the late Middle English, derived from the Old Northern French 'cant' meaning 'song, chant', and its connotation of insincere language developed in the early 19th century.