Err on the side of caution British informal verb phrase
The idiom means that you should be cautious and calculate things ahead rather than taking a risk head on.
25 people have replied to the invitation, but I've erred on the side of caution and put out 30 chairs.
When I finish my test, I always check it twice before handing it in. I think you should eer on the side of caution like I do.
Since we don't know where we're going, let's err on the side of caution and leave an hour early.
Used to mean that someone will have to suffer the consequences of their actions on their own.
The phrase “err on the side of caution” was derived from the meaning of the word 'err'. To 'err' means to make a mistake. “On the side of caution” was added after the word to imply that one should be careful and plan ahead rather than be unprepared and make an error. The word 'eer' was first appeared as a part of the phrase in the year 1678, written in the book titled 'Of the Heart', and 'its Right to Soveraign' by author Thomas Jones.
Confusion made worse than before.
There was heavy traffic on the way to work this morning. Confusion worse confounded when some drivers were arguing with each other right in the middle of the street.