This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Not recorded.

Not recorded; not registered; not made part of any record: as, an unrecorded deed or lease.

Not kept in remembrance by writing or by public monuments.

adj. actually being performed at the time of hearing or viewing

"Although the origin of the phrase went unrecorded, it almost certainly sprang from their familiarity with two other playing-card epithets."

unfilmed    untaped   

accorded    awarded    boarded    hoarded    prerecorded    recorded    rewarded    warded   

unmourned    undetected    unreported    unheralded    unrecognized    unguessed    unrecognised    unnoted    unappreciated    unattained