glib (adj)
said or done carefully or insincerely
cogent (adj)
(of an argument or case) clear, logical, and convincing
incoherent
not able to be understood; nonsensical
lethargic
sluggish, languid
bombast (n)
high-sounding language with little meaning; used to impress people
condenscend (v)
to show feelings or superiority; to be patronizing
cerebral (adj)
of the brain; intellectual rather than emotional or physical
epithet (n)
an abjective or phrase to express a characteristic of a person or thing
immaculate (adj)
spotlessly clean
aberration (n)
a departure from what is normal
vehement (adj)
passionate, forceful, heated
pertinent (adj)
relevant or applicable