(transitive) To reverse the process of hearing, so that (a sound, etc.) was never heard.

Not hearing.

Third-person singular simple present indicative form of unhear

That cannot be heard.

Not heard. / Not listened to. / Not known to fame; not illustrious or celebrated; obscure.

simple past tense and past participle of unhear

Previously unknown; unprecedented. / Unknown or known to only few people.

Third-person singular simple present indicative form of unheart

present participle of unheart

simple past tense and past participle of unheart