Grade 5 earthquake Get Printable Handwriting (earth-quake) 2 syllables Rhymes Learn It! Spelling Test Definition noun. a shaking or trembling of the crust of the earth; caused by underground volcanic forces or by breaking and shifting of rock beneath the surface Example Sentence The earthquake shook the city. Synonyms tremor; tremblor; quake Antonyms quiet Rhymes Two Syllable Rhymes (1) earthquake Share with your friends: