The deepest or lowest part:
The bottom surface of a plow.
The bottom or supporting part of something:
The front part or underside of anything
The lowest or bottom part:
A cosmetic used as a base for facial makeup.
Find another word for undersides. In this page you can discover 6 synonyms, antonyms, idiomatic expressions, and related words for undersides, like: bottoms, soles, roots, bellies, base and foundations.