safe to handle
- harmlessCausing no injury
- gentleSoft and kind
- non-toxicCauses no harm
- secureProtected from harm
- protectedKept from harm
tame · benign · cushioned · padded · childproof · rounded · blunt · stable · reliable · trustworthy · docile · manageable · user-friendly · ergonomic · smooth · soft · insulated · grounded
toxicity/hazard classification
safe to handletoxic
Capable of causing harm
corrosive · poisonous · caustic · radioactive · biohazardous
behavioral predictability
safe to handledangerous
Apt to cause harm
wild · untamed · feral · aggressive · unpredictable