unstated
US /ʌnˈsteɪ.t̬ɪd/
UK /ʌnˈsteɪ.t̬ɪd/

1.
tacite, non dit
not expressed or made known verbally; implicit
:
•
There was an unstated agreement between them.
Il y avait un accord tacite entre eux.
•
His reasons for leaving remained unstated.
Ses raisons de partir sont restées non dites.