The meaning of BOTTOM is the underside of something. How to use bottom in a sentence.

BOTTOM meaning: 1. the lowest part of something: 2. the lower part of a piece of clothing that consists of two…. Learn more.

Definition of bottom noun in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

1. the lowest, deepest, or farthest removed part of a thing: the bottom of a hill. 2. the least important or successful position: the bottom of a class.

If someone is bottom or at the bottom in a survey, test, or league, their performance is worse than that of all the other people involved. He was always bottom of the class.

to bet the last of one's money or resources. to be positive or assured: You can bet your bottom dollar I'll be on time to receive the money! Idioms bottoms up. This expression is used before swallowing a …

Mar 12, 2026 · bottom (third-person singular simple present bottoms, present participle bottoming, simple past and past participle bottomed) (transitive) To furnish (something) with a bottom. [from …

Bottom definition: The deepest or lowest part.

BOTTOM definition: the lowest or deepest part of anything, as distinguished from the top. See examples of bottom used in a sentence.

The bottom of something is its underside, or lowest point. You might practice swimming by diving to the bottom of a swimming pool to retrieve pennies.