C2 adjective /ˈmiːli ˌmaʊðd/
mealy-mouthed
hypocrite
Meaning
Unwilling to speak directly and honestly; insincere or evasive in speech.
Example
The manager gave a mealy-mouthed excuse instead of admitting the mistake.
Le gestionnaire a donné une excuse hypocrite au lieu d'admettre l'erreur.