unspoken
🇺🇸
/ʌnˈspəʊkən/
🇬🇧
/ʌnˈspəʊkən/
Not expressed in words; understood without being said.
There was an unspoken agreement between them to meet at the park every morning.
彼らの間には毎朝公園で会うという不言而喻の合意がありました。