Inglorious and Unheard-of

Inglorious adjective - (used of conduct or character) deserving or bringing disgrace or shame.

Unheard-of and inglorious are semantically related. In some cases you can use "Unheard-of" instead an adjective "Inglorious".

Unheard-of adjective - Not known or experienced before.

Inglorious and unheard-of are semantically related. Sometimes you can use "Inglorious" instead an adjective phrase "Unheard-of".