25

from the GNU version of the Collaborative International Dictionary of English.

• adjective one more than twenty-four; denoting a quantity consisting of twenty-five items or units; -- representing the number twenty-five as Arabic numerals.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun The cardinal number twenty-five.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun the cardinal number that is the sum of twenty-four and one
• adjective being five more than twenty