| twenties | (noun) the time of life between 20 and 30 | Synonyms: mid-twenties |
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| (noun) the decade from 1920 to 1929 | Synonyms: 1920s |
| twentieth | (adjective) coming next after the nineteenth in position | Synonyms: 20th |
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| (noun) position 20 in a countable series of things | - |
| twenty | (adjective) denoting a quantity consisting of 20 items or units | Synonyms: 20, xx |
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| (noun) a United States bill worth 20 dollars | Synonyms: twenty dollar bill |
| (noun) the cardinal number that is the sum of nineteen and one | Synonyms: 20, XX |