hollowing Get Printable Handwriting Rhymes Hear It! Say It! Write It! Learn It! Spelling Test Definition empty out; make concave; an empty space inside something; hole; cavity; gap. Example Sentence He is hollowing out a tree trunk to use as a boat. Synonyms channel; dig; hole; cavity; gap Antonyms fill; make; convex; raise Hear It! Say It! Write It! hollowing Switch to cursive Start Rhymes Three Syllable Rhymes (4) following hollowing swallowing wallowing Share with your friends: