Something that one enjoys or finds pleasurable but knows or feels to be bad, inferior, aberrant, or lowbrow, especially as might be perceived or judged by other people. I know these gossip magazines are trashy, but reading them on my commute home is my guilty pleasure!

A feeling of guilt and remorse can be so strong that it will prompt an offender to confess, even if no one is requiring them to do so. Gary felt so guilty after taking the money out of Bill's wallet that he confessed and returned it a day later. A guilty conscience needs no accuser.

To formally deny that one is guilty (of some crime or accusation). The defendant pleaded not guilty, and he will go to trial where he will face the possibility of life in prison, or even death. My client pleads not guilty, your honor.

To formally admit and declare that one is guilty (of some crime or accusation). The defendant avoided a possible death sentence by pleading guilty to a lesser charge of manslaughter. My client pleads guilty, your honor.

To feel ashamed and remorseful about something. Thanks for being so nice about everything, but I still feel guilty about interrupting your date. I know Jen pretty well, and I think she feels guilty about upsetting you.

To determine and declare in court that one is guilty of a crime. How serious do you think the prison sentence will be if the jury finds him guilty?

To determine and declare in court that one is innocent of a crime. I don't know how the jury found him not guilty, considering all the evidence against him.