adj. 1. denoting a quantity consisting of one more than nine hundred ninety nine and one less than one thousand and one; -- representing the number one thousand as Arabic numerals Syn. -- thousand, a thousand, one thousand, m, k [ WordNet 1.5 +PJC ]
adj. 1. coming next after the nine hundred ninety-ninth in a series Syn. -- thousandth [ WordNet 1.5 ]