- TOXIN
- Antibody target
- Reason for a skull-and-crossbones warning
- Poison
- Poisonous substance
- Atmospheric health hazard
- Environmental threat
- Antidote target
- Poisonous compound
- Something added to denature alcohol
- Antibody producer
- Botulin or arsenic
- Venom
- Venom, e.g.
- Deadly agent
- Cobra venom, e.g.
- Serum target
- EPA concern
- Botulin, e.g.
- Plague cause
- Snake venom, for one
- Lionfish's weapon
- Wasp venom, for one
- Snake venom, e.g.
- Fugu danger
- Organic poison
- Venom, for example
- Snake venom, for example
- Venom, for instance
- Pufferfish defense
- Poisonous stuff.
- Noxious substance
- Ricin or ptomaine
- Venom, for one
- Scorpion's defense
- Sickening thing
- Benzene or lead
- Cause of a bee sting's sting
- Rattlesnake venom, e.g.
- Platypus venom, e.g.
- Harmful substance
- Snake venom
- Scorpion venom, e.g.
- Venom or botulin
- Comic book character descended from Venom
- Lethal agent
- Fugu worry
- Bad thing to take in
- Harmful agent
- Natural poison
- Tetanus cause
- Dangerous substance
- Bee venom, say
