Containing, secreting, or resembling serum.(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 "serous" in a sentence
"You libs are in serous denial of the blatant racism displayed by your party."
"And you agree that our government is in serous trouble and has been for a long time."
"On partial birth abortions where is his insistence that the woman be in serous physical danger?"