The Collaborative International Dictionary
Unbottomed
Unbottomed \Un*bot"tomed\, a.
[1st pref. un- + bottom + -ed.] Deprived of a bottom.
[Pref. un- not + bottomed.] Having no bottom; bottomless.
--Milton.
Wiktionary
unbottomed
a. (context obsolete English) bottomless
Usage examples of "unbottomed".
The rest were mere donkey tracks over cultivated unbottomed ground in the valleys, and winding up wadis, over boulders, and through trees in the uplands and hills.