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