Definition of "pontificate"

pontificate¹

/pɒnˈtɪf.ɪ.kət/

noun
plural pontificates
1. The status or term of office of a pontiff or pontifex.

pontificate²

/pɒnˈtɪf.ɪ.keɪt/

verb
third-person singular simple present pontificates, present participle pontificating, simple past and past participle pontificated
1. (intransitive) To preside as a bishop, especially at mass.
2. (intransitive) To act like a pontiff; to express one's position or opinions dogmatically and pompously as if they were absolutely correct.
3. (intransitive) To speak in a patronizing, supercilious or pompous manner, especially at length.
  Quotations
  During a policy discussion awhile[sic] back about New York issues, when Mr. Clinton began to pontificate, she told him that he did not exactly know what he was talking about and to hush up.
  2007 May 13, Patrick Healy, “In New Role, Senator Clinton’s Strategist in Chief”, in New York Times‎
  "Do you hear that, Ryan? Your mommy is being a pontificating windbag."
  2014 January 16, Jocelyn Samara D., Rain (webcomic), Comic 482 - Blood