Informal Silly; ridiculous: a goofy hat. (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.
Use "goofy" in a sentence
"One used the word goofy to describe him.88 Some thought of him as a lightweight who had not mastered foreign policy."
"I've taken enough dance lessons to expect familiar songs in goofy, step-specific cover versions."
"He described the central conflict of ToonTown Online: battle corporate goons in goofy ways, like throwing cream pies."