unarmed

a. [ Pref. un- not + armed. ] 1. Not armed or armored; having no arms or weapons. [ 1913 Webster ]

2. (Nat. Hist.) Having no hard and sharp projections, as spines, prickles, spurs, claws, etc. [ 1913 Webster ]

3. Not in a state in which it may be detonated; unable to be detonated; -- used of nuclear and certain other explosive devices, which, as a safety precaution, are stored and transported in a state in which normal triggering mechanisms will not function to cause the device to detonate. The weapon must first be armed by a separate action, and only subsequent to such arming will the weapon be able to detonate. [ PJC ]