1. containing or being poisonous material especially when capable of causing death or serious debilitation
2. extremely harsh, malicious, or harmful
Usage: figurative use

Examples

• The factory released toxic chemicals into the river.
• Many household cleaners contain toxic substances.
• The toxic fumes made everyone evacuate the building.
• She decided to end the toxic relationship.
• The workplace had become toxic due to constant negativity.
• Toxic waste must be disposed of properly.
• His toxic behavior affected the entire team.