from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Lacking weapons or armor; defenseless.
- adj. Not carrying, using, or displaying arms: an unarmed spotter plane; unarmed robbery.
- adj. Biology Having no thorns, spines, teeth, claws, or other protective parts.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. defenceless and lacking weapons or armour
- adj. not carrying arms
- adj. not having thorns or claws etc.
from the GNU version of the Collaborative International Dictionary of English
- adj. Not armed or armored; having no arms or weapons.
- adj. Having no hard and sharp projections, as spines, prickles, spurs, claws, etc.
- adj. 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.
from The Century Dictionary and Cyclopedia
- Not having on arms or armor; not equipped with arms or weapons.
- Not furnished with scales, prickles, or other armature, as animals and plants; in entomology, noting parts destitute of projections, spines, points, etc., where such structures are commonly found: as, unarmed tibiæ.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. (used of plants or animals) lacking barbs or stings or thorns
- adj. (used of persons or the military) not having or using arms
un- + armed (Wiktionary)