Also Inflected form of unman
unmanned
un·man·ned
adjective
1.
lacking a crew
- “an unmanned satellite to Mars”
Origin
From un- + manned.
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.