landslides Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition plural noun. the sudden movement of rock and soil down a slope. Example Sentence The heavy rain caused several landslides in the mountainous region. More Example Sentences People evacuated due to the landslides. Synonyms mudslide; rockfall; erosion Antonyms uplift; ascension Hear It! Say It! Write It! landslides Switch to cursive Start Share with your friends: