The sun was modest hiding in the clouds.
Modesty is often personified as a humble figure, characterized by simplicity and a lack of vanity. This personification embodies qualities such as humility, discretion, and a tendency to avoid drawing attention to oneself.
I think it would be a Metaphor........
Metaphor
Personification
It is personification without meaning to use personification
more modest, most modest
There is no personification going on here.
Cinderella is modest because in the movie she always was modest
The word 'modest' is an adjective, a word used to describe a noun.Adjectives do not have singular and plural forms.Adjectives have degrees: modest, more modest, most modest.
personification
No, personification does not have a prefix
The tree was modest and shared the rainwater with the flowers.
unmodest