(adjective)
broadly, not covered or enclosed, for example not shaded (describing light), lacking leaves or plant growth (describing a tree or a space), or lacking an outer covering such as fur or feathers (describing an animal);
e.g. The tree's naked branches were covered with snow and ice from the previous night's storm.
(adjective)
vulnerable, not armed or protected, defenseless and thus exposed to harm, usually figuratively so;
e.g. He felt naked and alone without the rest of the group to support him.
(adjective)
plain and simple, not adorned, disguised, or hidden in any way, often describing emotions or behavior;
e.g. They were filled with naked rage when they heard what she was saying.