- Relating to or suggestive of a Cyclops: a great Cyclopean monocle. (adjective)
- Very big; huge: has a cyclopean ego. (adjective)
- Of or constituting a primitive style of masonry characterized by the use of massive stones of irregular shape and size. (adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.