When it comes to synonyms for the phrase "twenty-five cent," there are actually quite a few options to consider. Some of the most common synonyms include terms like quarter, 25 cents, two bits, and a quarter dollar. Other options might include phrases like twenty-five pennies or five nickels, both of which would also add up to a total of 25 cents. One could also use phrases like 1/4 dollar, 0.25 dollars, or a fourth of a dollar. Ultimately, the right synonym to use will depend on the context and personal preference of the writer or speaker.