DictionarybottomLowest part or level
noun / adjective / verb

bottom

BAH-tuhm/ˈbɑːtəm/

The lowest part or underlying surface of something.

The lowest surface forms the bottom of the glass jar.

A clear, upright glass jar with its lowest horizontal surface emphasized by a restrained blue tint.
Etymology

Botm covered both the ground or foundation and the lowest part of something. These connected meanings place the bottom beneath the rest, whether it is a surface, a base, or a position.

In context

HISTORY3:19
Eventually, the weight struck the bottom at 4,475 fathoms, nearly five miles beneath the ocean's surface.
Inside the Marianas Trench: Earth's Deepest Point | How the Earth Was Made (S1, E2) | Full Episode

More examples

  • She placed the heaviest books on the bottom shelf.
  • The toddler landed on his bottom after slipping.
  • The investigator got to the bottom of the missing funds.
  • The boat bottomed on the shallow sandbar.

Forms

bottom · bottoms · bottomed · bottoming

bottomless adjective — Seeming to have no lowest limit.

Similar words

base
Often the part on which something rests or is built.
underside
The downward-facing surface, even when not the lowest part.