The meaning of HOLLOW is having an indentation or inward curve : concave, sunken. How to use hollow in a sentence. Synonym Discussion of Hollow.

hollow adjective (EMPTY) Add to word list having an empty space inside or on the surface of an object: a hollow tree

Hollow definition: having a space or cavity inside; not solid; empty.. See examples of HOLLOW used in a sentence.

Look up hollow in Wiktionary, the free dictionary.

Oct 12, 2025 · (of a sound) Distant, eerie; echoing, reverberating, as if in a hollow space; dull, muffled; often low-pitched.

1. having a space or cavity inside; empty: a hollow sphere. 2. having a depression or concavity: a hollow surface. 3. sunken: hollow cheeks. 4. not resonant: a hollow voice. 5. lacking …

A sound that is hollow is like the sound made when you hit something that is empty inside. He heard a hollow sound when he knocked on the wall.

Definition of hollow. English dictionary and integrated thesaurus for learners, writers, teachers, and students with advanced, intermediate, and beginner levels.

If you describe a statement, situation, or person as hollow, you mean they have no real value, worth, or effectiveness. Any threat to bring in the police is a hollow one. ...a hollow man who's …

Some common synonyms of hollow are empty, idle, nugatory, otiose, and vain. While all these words mean "being without worth or significance," empty and hollow suggest a deceiving lack …