: not armed or armored <unarmed civilians>; also : not using or involving a weapon <unarmed robbery>
: having no hard and sharp projections (as spines, spurs, or claws)
First Known Use of UNARMED
un·armed adjective \ˌən-ˈärmd\ (Medical Dictionary)
: having no arms or armlike projections <an unarmed tapeworm>
Seen & Heard
What made you want to look up unarmed? Please tell us where you read or heard it (including the quote, if possible).