In science and engineering in general, an error is defined as a difference between the desired and actual performance or behavior of a system or object. 5 days ago · error, mistake, blunder, slip, lapse mean a departure from what is true, right, or proper. error suggests the existence of a standard or guide and a straying from the right course through … ERROR definition: 1. a wrong decision: 3. to understand that you were wrong to behave in a particular…. ERROR definition: a deviation from accuracy or correctness; a mistake, as in action or speech. See examples of error used in a sentence. To see, recognize, acknowledge, etc., the error of your ways is to admit that you have been doing something wrong or behaving badly and to stop doing it. Congress recognized the error of its ways … Simply put, an error is a mistake. However, that mistake is more likely due to a lapse in judgment or skill than to an accident. A plane crash that occurs after the pilot mistakenly presses the "pilot eject" … Find 119 different ways to say ERROR, along with antonyms, related words, and example sentences at Thesaurus.com. a deviation from accuracy or correctness; mistake. the holding of mistaken opinions. the condition of believing what is not true: I was in error about the date.