unctuous
(en)
(adjective) fatty oily / (adjective) smooth and greasy in texture or appearance / (adjective) plastic / (adjective) full of unction / (adjective) revealing or marked by a smug, ingratiating, and false earnestness or spirituality
so intent were the unctuous commentators on concealing the fact that they had bugger-all to say
notable
9 months, 2 weeks ago