damn with faint praise

📖 general
Meaning
To criticize someone or something by praising it so unenthusiastically or mildly that it implies disapproval or a lack of merit.
Literal Meaning
To condemn someone or something by giving it very weak or unconvincing praise.
Example
“Her review of the play simply said it was 'not entirely unwatchable,' which was clearly damning it with faint praise.”