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

• Lexulous
• Wordscraper
• Wordosaur

Not essayed; not attempted; not subjected to assay or trial; untested.

"But here, as we are about to attempt a description hitherto unassayed either in prose or verse, we think proper to invoke the assistance of certain aerial beings, who will, we doubt not, come kindly to our aid on this occasion."