Student or Learner
Would you be kind enough to tell me whether the expressions in bold in the following sentences are perfectly interchangeable?
The effrontery of such overweening people to display their superiority over surrounding provokes stupefying repulsion.
He had the effrontery to demand more money.
He had the impertinence to demand a raise.
They had the insolence to file a complaint.
She had the cheek to say something.
effrontery = impertinence, impudence, insolence, cheek
Thank you for your efforts.
The meanings are similar but not identical. You should refer to their dictionary definitions.