Fault, mistake, error, slip

English Lesson: Fault, Mistake, Error, or Blunder?
Use fault when explaining who is responsible for something bad. It’s my fault that the car was stolen. I left the window open. It’s my mistake the car was stolen. I left the window open. Use mistake or error for talking about something that you did or thought which was wrong. Error is slightly more formal than mistake. We lost a week’s work due to a computer error. I still make lots of mistakes in my essays. I still make lots of faults in my essays.
And here are some words related to fault, mistake, error, and blunder. This is taken from Cambridge Dictionary.
blunder (noun) a big mistake, usually caused by lack of care or thought: Examples: He said that the tax was a major political blunder. I made a bit of a blunder by getting his name wrong.
bug (COMPUTER) (noun) a mistake or problem in a computer program: Example: A bug caused the company’s computer system to crash.
defect (FAULT) (noun) a fault, problem or lack in something or someone that spoils them or causes them not to work correctly: Examples: All R45 aircraft have been grounded, after a defect in the engine cooling system was discovered. There are so many defects in our education system. It’s a character defect in her that she can’t ever accept that she’s in the wrong.
error (noun) a mistake: Examples: He admitted that he’d made an error. The letter contains a number of typing errors. Human error has been blamed for the air crash. With something as delicate as brain surgery, there is little margin for error (= you must not make mistakes).
failing (WEAKNESS) (noun) a fault or weakness: Example: His one big failing is that he never says he’s sorry.
false alarm (noun) an occasion when people believe incorrectly that something dangerous or unpleasant is happening or will happen: Examples: Three fire engines rushed to the school only to discover it was a false alarm. She thought she was pregnant, but it turned out to be a false alarm (= she discovered she was not).
false move (noun) an unwise action which is likely to have an unpleasant or dangerous effect: Examples: We can’t afford to make any false moves once we’re in enemy territory. “One false move and you’re dead! (= I will kill you)” shouted the gunman.
fault (MISTAKE) (noun) 1- a mistake, especially something for which you are to blame: It’s not my fault she didn’t come! She believes it was the doctor’s fault that Peter died. The fault was/lay with the organizers, who failed to make the necessary arrangements for dealing with so many people. Through no fault of his own, he spent a week locked up in jail. 2- a weakness in a person’s character: He has many faults, but dishonesty isn’t one of them. 3- a broken part or weakness in a machine or system: The car has a serious design fault. I think it’s got an electrical fault. For all its faults, our transport system is still better than that in many other countries. 4- a mistake made when hitting the ball over the net, in tennis or a similar game, to begin a game
flaw (noun) a fault, mistake or weakness, especially one that happens while something is being planned or made, or which causes something not to be perfect: Examples: I returned the material because it had a flaw in it. There’s a fatal flaw in your reasoning. This report is full of flaws. a character flaw
mistake (WRONG ACTION) (noun) an action, decision or judgment which produces an unwanted or unintentional result: Examples: I’m not blaming you – we all make mistakes. [+ to infinitive] It was a mistake for us to come here tonight. This letter’s full of spelling mistakes. I’ve discovered a few mistakes in your calculations. Why am I under arrest? There must be some mistake.
by mistake accidentally: Example: I’ve paid this bill twice by mistake.
slip (MISTAKE) (noun) a small mistake: Example: She’s made one or two slips – mainly spelling errors – but it’s basically well written.
slip of the tongue when someone says something that they did not intend to say: Example: I called her new boyfriend by her previous boyfriend’s name – it was just a slip of the tongue.
And these are some questions and answers related to the words:
#1. It is a ……… to argue with your friends. (a) error (b) fault (c) mistake (d) slip