not made manifest or visible

अदृश्य

English Usage: Her feelings remained unmanifested, hidden deep within her.

Hindi Usage: उसकी भावनाएँ अदृश्य रहीं, गहराई में छुपी हुई।

not expressed or revealed

अप्रकट

English Usage: The unmanifested potential of the students was evident only in their private work.

Hindi Usage: छात्रों की अप्रकट क्षमता केवल उनके निजी काम में ही स्पष्ट थी।