Definition of insincere:
hollow, artificial, obsequious, dissimulative, false, ambidextrous, affected, sycophantic, disingenuous, affected, mala fide, sly, dissimulating, true, bootlicking, honest, buttery, oily, phony, shifty, oleaginous, two-faced, unctuous, fawning, left-handed, gilded, hypocritical, feigned, pretended, fulsome, toadyish, dissembling, smarmy, artificial, specious, meretricious.
- "My Three Years in America", Johann Heinrich Andreas Hermann Albrecht Graf von Bernstorff.
- "Down and Out in the Magic Kingdom", Cory Doctorow.
- "The Stronger Influence", F.E. Mills Young.