kilograms Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition plural noun. a unit of mass equal to 1,000 grams. Example Sentence It weighs five kilograms. More Example Sentences She lifted the ten kilograms with ease. Synonyms kilos; metric units; mass units Antonyms mile Hear It! Say It! Write It! kilograms Switch to cursive Start Share with your friends: