Words to describe diction

Ambiguous vague
Bombastic arrogant,
Convoluted complex, difficult to follow
Didactic instructional; intended to teach
Elevated complex words, superior tone
Emotional expressive of emotions
Esoteric understood by a chosen few
Formal academic, conventional
Figurative words serving to illustrate
Idiomatic peculiar
Informal conversational
Loaded heavy emotional charge
Moralistic puritanical, righteous
Pedantic scholarly, bookish
Poetic melodious, romantic
Pretentious pompous, arrogant
Sharp harsh
Simple clear (short, easy words)
Verbose talkative and wordy
Vivid full of life and animation