Lifeless; expressionless: "the face changing to a demon's face with a fixed glassy grin” ( Katherine Anne Porter). (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 "glassy" in a sentence
"I placed the two halves under the broiler for a few seconds and they came out a bit warm covered in glassy, shiny sugar layer."
"It is too easy to become characterized as the glassy-eyed idealists who believe too much in the magic wonder herb when we supply targets that are so easily shot down."
"And if, at the end of this, you aren't crossing your eyes or skipping over these entries in glassy-eyed, polite boredom, I'll dig up the LUNA contracts for contrast."