hundredths Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition adjective. preceded by ninetynine others in a series; 100th designating any of the hundred equal parts of something Example Sentence Ted ran the race in nine and thirty-seven hundredths seconds. Synonyms centesimal; 100th; ordinal Antonyms 10; 9 Hear It! Say It! Write It! hundredths Switch to cursive Start Share with your friends: