Twenty-ones is a term that is often used when referring to the card game of Blackjack, where the goal is to get a hand with a total of 21 points. However, there are several synonyms that can be used for the word twenty-ones, which can help to add diversity and interest to your writing or speech. For example, you could use phrases like "reaching the blackjack limit," "hitting the magical number," or "scoring the perfect hand." Other options might include "landing the 21 pointer," "achieving the ultimate hand," or "winning the double-down." No matter which synonym you choose, using varied language is always important in keeping your speech or writing engaging and fresh.