Definition of dinosaur
- The factory is now a rusting dinosaur.
The old factory is now a rusting dinosaur.
The character she plays is a dinosaur—a former beauty queen who is living in the past.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dinosaur.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
: one of many reptiles that lived on Earth millions of years ago
: someone or something that is no longer useful or current : an obsolete or out-of-date person or thing
What made you want to look up dinosaur? Please tell us where you read or heard it (including the quote, if possible).