Unexplained synonyms

Pumpkin's original deposit with Bird Song was overdrawn and requests for further funds were excused away, purportedly awaiting some expected but unexplained bounty via the mail.

But this hypothesis leaves the elevation of the visceral mass and the exogastric coiling of the shell in the ancestral form unexplained.

The pure-bred riding camel is only found in perfection in inner Arabia; for some unexplained reason when taken out of their own country or north of the 30th degree they rapidly degenerate.

In 1656, and again in 1657, she visited France, on the second occasion ordering the assassination of her major-domo Monaldischi, a crime still unexplained.

Its flesh is much relished, and for some unexplained reason is called by its vendors mountain-whale (yama-kujira).