बिना कहा हुआ या जो कहा न गया हो।

अनकही बातें भी कभी-कभी अफ़वाह बनकर फैल जाती हैं।
अकथित, अनकहा, अनबोला, अनभिहित, अनिवेदित, अनुक्त, अबोला, अभाषित

Not made explicit.

The unexpressed terms of the agreement.
Things left unsaid.
Some kind of unspoken agreement.
His action is clear but his reason remains unstated.
unexpressed, unsaid, unspoken, unstated, unuttered, unverbalised, unverbalized, unvoiced

जो कथनीय न हो।

मेरे कुछ अनुभव अकथनीय हैं।
अकथ, अकथनीय, अकथ्य, अवक्तव्य, अवचनीय, अवद्य, अवाच्य, असंभाष्य, असम्भाष्य

Defying expression or description.

Indefinable yearnings.
Indescribable beauty.
Ineffable ecstasy.
Inexpressible anguish.
Unspeakable happiness.
Unutterable contempt.
A thing of untellable splendor.
indefinable, indescribable, ineffable, unspeakable, untellable, unutterable