ten thousand Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. the cardinal number that is the product of ten and one thousand Example Sentence There were at least ten thousand people in the crowd. Synonyms 10000; 1 less than 10001; 1 more than 9999 Antonyms zero Hear It! Say It! Write It! ten thousand Switch to cursive Start Share with your friends: