unassured
unas·su·red
adjective
1.
lacking boldness or confidence
Origin
From Middle English unassured, unassuryd, equivalent to un- + assured.
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.