thirty thousand Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. the number after twenty-nine thousand and before thirty-one thousand. Example Sentence She made thirty thousand dollars this year as a nanny. More Example Sentences There are thirty thousand stars in the sky. Synonyms 30000; thirty k; large number Antonyms zero Hear It! Say It! Write It! thirty thousand Switch to cursive Start Share with your friends: