An unqualified metaphor (mutlaqa) has its metaphorical expression and the necessary indicator, but no additional characteristic particularly suited to either the intended subject or the comparison model that would make it reinforced or stripped.
It is vital to distinguish the essential contextual indicator from the additional associated details used for tarshih or tajrid.
“Unqualified” does not mean “without any qarina.” A metaphor still needs the clue that rules out literal intention.