facile

adjective5

1. •
   Easy; contemptibly easy.
2. •
   Lazy, simplistic, superficial (especially of explanations, discussions etc.).

   • He arrived with a facile understanding of her works.
3. •
   Effortless, fluent (of work, abilities etc.).

   • Her writing was facile and articulate.
4. •
   Of a reaction or other process, taking place readily.

   • Decarboxylation of beta-keto acids is facile.
5. •
   (no longer used) Amiable, flexible, easy to get along with.

   • His facile disposition made him many friends.