non-contact
/nɒnˈkɒntakt/noun
The state or condition of making no contact; an instance of this.
adjective
1That does not involve (especially physical) contact; of, relating to, or designating a state or condition in which no contact is made.
2Specifically. Designating sport, or an individual sport, in which no physical contact between opponents is allowed. Frequently in non-contact sport(s).
Origin
Mid 19th century; earliest use found in Scientific American. From non- + contact.