The meaning of TWENTIETH is being number 20 in a countable series. How to use twentieth in a sentence.

TWENTIETH definition: 1. 20th written as a word 2. one of 20 equal parts of something 3. 20th written as a word. Learn more.

Feb 24, 2026 · Noun twentieth (plural twentieths) A person or thing in the twentieth position. One of twenty equal parts of a whole.

A twentieth is one of twenty equal parts of something. A few twentieths of a gram can be critical. Collins COBUILD Advanced Learner’s Dictionary. Copyright © HarperCollins Publishers

twentieth (ˈtwɛntɪɪθ) adj (Mathematics) (usually prenominal) a. coming after the nineteenth in numbering or counting order, position, time, etc; being the ordinal number of twenty: often written 20th

WordReference Random House Unabridged Dictionary of American English © 2026 twen•ti•eth (twen′ tē ith, twun′ -), adj. next after the nineteenth; being the ordinal number for 20. being one of 20 equal …

Definition of twentieth noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

TWENTIETH definition: next after the nineteenth; being the ordinal number for 20. See examples of twentieth used in a sentence.

The term "twentieth" is used to refer to the ordinal form of the number 20 and is often used to denote that something has been arranged or occurred in a sequence after nineteen others.

Learn the definition of 'twentieth'. Check out the pronunciation, synonyms and grammar. Browse the use examples 'twentieth' in the great English corpus.