Answer: sematic

AnswerCrossword Clue
SEMATICServing as a warning, as the color of certain poisonous snakes.
SEMATICServing as a warning of danger, as a snake's color.
SEMATICWarning of danger
sematicserving as a sign or warning of danger, as the conspicuous colors or markings of certain poisonous animals
sematicserving as a warning