unheard

Preposition: of

• today: Television audiences of over 20 million, although almost unheard of today, were not that unusual back then.
• level: Most of us suffer from lack of exercise, lack of sleep and unheard of levels of stress.
• year: This would have been unheard of twenty years ago.
• group: A previously unheard of terrorist group calling itself the " Secret Organization: al-Qaida in Europe " claimed responsibility for the bloodshed.
• luxury: Back then food squeamishness was an unheard of luxury.
• band: To have backed up such headliners with a plethora of unheard of bands playing a totally different style to the main bands beggars belief.

Used with adjective complement

• remain: The voice of the smallholder too often remains unheard.
• go: The soft click of the door closing went unheard.
• feel: When you insist on telling your story I feel unheard.

Modifying Another Word

• virtually: They were virtually unheard of five or ten years ago.
• hitherto: Surely, the feminist movement has given women a voice hitherto unheard.
• almost: I had ten minutes, an almost unheard of amount of speaking time.
• practically: Which is practically unheard of due to the fact that they wont have anything left to play for the encore.
• previously: Previously unheard Peter Cook material is to be aired in a new Radio 4 archive series.
• largely: Be amazed by the scale of these largely unheard of Roman remains.

Modifies a noun

• voice: Let's start a lively debate, let's hear some unheard voices.
• recording: Producer Sir George Martin is making background music for the forthcoming Cirque du Soleil show by remastering unheard recordings by the band.
• track: I just hope that there are more unheard tracks waiting to be uncovered!
• song: A good half of the songs taken from the sessions were unheard songs to boot.
• material: And the tapes, if they turn out to be unheard material, could be almost priceless.