The ordinal form of the number twenty-five.(adjective)
The person or thing in the twenty-fifth position.(noun)
One of twenty-five equal parts of a whole.(noun)
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Use "twenty-fifth" in a sentence
"Today, on the twenty-fifth anniversary of the loss of Challenger, it is particularly fitting to pause and remember that the Challenger Seven were more than just names."
"Today, on the twenty-fifth anniversary of the loss of Challenger, it is particularly fitting to once again pause and remember that the Challenger Seven were more than just names -- and that, to seven families, Challenger was more than just an iconic photo."
"Pointing out that he was just shy of his twenty-fifth birthday, William told his father he was not ready to promise marriage to anyone."