The phrase "unadorned truth" can be substituted with a variety of synonyms that express the concept of pure, genuine facts without embellishment. Some options include "raw truth," "plain truth," "unvarnished truth," and "true truth." Other synonyms that emphasize the straightforward nature of the truth include "bare truth," "naked truth," and "blunt truth." On the other hand, synonyms like "cold truth," "hard truth," and "harsh truth," highlight the fact that the truth can sometimes be difficult to accept. Ultimately, the choice of synonym will depend on the context, tone, and emphasis required for a particular communication.