To deliberately make something unclear or difficult to understand; to obscure.
Mellifluous
Pernicious
To use ambiguous language with the intention of deceiving or avoiding commitment; to be intentionally vague.
Sagacious
A person who acts obsequiously towards someone important in order to gain advantage; a flatterer or yes-man.
Sycophant
Ephemeral
Obfuscate
Too great or extreme to be expressed or described in words; beyond expression.
Having a smooth, pleasing, and melodious sound, often used to describe voices or music.
Equivocate
Ineffable
Lasting for a very short time; fleeting or transitory.
Causing great harm or damage in a subtle, gradual, or insidious way; destructive or deadly.
Having keen mental discernment and good judgment; wise and insightful.