WordReference Random House Unabridged Dictionary of American English © 2025
bot•tom•most
(bot′əm mōst′ or, esp. Brit, -məst),USA pronunciation adj.
- of, pertaining to, or situated at the bottom.
- (of one of a series) farthest down;
lowest. - bottom.
- bottom + -most 1860–65
'bottommost' also found in these entries (note: many are not synonyms or translations):