1. adjective [usu v-link ADJ, ADJ after v, oft ADJ n] If you say that a person or their words go unheard, you are expressing criticism because someone refuses to pay attention to what is said or take it into consideration. [written, disapproval] ⇒ His impassioned pleas went unheard. ⇒ She had not waited for any explanation but had condemned him unheard. 2. adjective If you describe spoken comments or pieces of music as unheard, you mean that most people are not familiar with them because they have not been expressed or performed in public. ⇒ A vast treasure-trove of virtually unheard melody awaits discovery by this new audience. ⇒ ...a country where social criticism was largely unheard until this year. 3. adjective [usu v-link ADJ] If someone's words or cries go unheard, nobody can hear them, or a particular person cannot hear them. [written] ⇒ Martin's weak cries for help went unheard until 6.40pm yesterday.
COBUILD Advanced English Dictionary. Copyright © Harper Collins Publishers