morasses Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition plural noun. areas of muddy or swampy ground that are difficult to walk through. Example Sentence The dense fog caused many morasses on the interstate this morning. More Example Sentences Morasses can be found in wetland areas. Synonyms swamps; bogs; marshes Antonyms dry ground; order Hear It! Say It! Write It! morasses Switch to cursive Start Share with your friends: