Examples from the Web for undermost
There was lettering, too, upon the undermost side when the man turned it over.Brother Copas|Sir Arthur Thomas Quiller-Couch
The two men were soon writhing together on the guard deck, and I was pleased to observe the desperado was undermost.The Book of the Bush|George Dunderdale
What was undermost should be topmost, and what was topmost should be undermost!See there, now!A Christmas Greeting|Hans Christian Andersen
The mass of crumbling coffins—some belike (The undermost) with their contents crush'd in, Flatten'd, and shapeless.
Thy uppermost stake is of right length; the undermost falleth off, methinks.Citation and Examination of William Shakspeare|Walter Savage Landor