feel bad

Also, feel bad about. Experience regret, sadness, embarrassment, or a similar unpleasant emotion. For example, I feel bad about not attending the funeral, or The teacher's scolding made Bobby feel bad. [First half of 1800s]

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.