Meaning: Dreaming of something insidious suggests hidden or subtle danger or threat in your waking life. This dream may indicate that there are individuals or situations in your life that are manipulative, deceptive, or harmful but are not easily identifiable. Pay attention to the people or situations that make you feel uneasy or uncomfortable, as they may be causing harm in ways that are not immediately apparent. This dream serves as a reminder to remain vigilant and cautious in your interactions and decisions to protect yourself from potential harm or deceit.