Words to Describe slickness

How slickness often is described ("________ slickness")

• empty
• modern
• cool
• hot
• greater
• certain
• superficial
• oily
• much
• political
• cold
• sweet
• more
• unbelievable
• warm
• enough
• commercial
• professional
• public
• mechanical
• american
• usual
• smooth
• mere
• astounding
• military
• bright
• wet
• academic
• very
• dark
• verbal
• cynical
• technical