One way to solve a problem.

A person will try something, get it wrong, learn from the mistakes, try again, and hopefully eventually get it right.

Many great ideas and inventions were devised through the process of trial and error.
Through trial and error, I finally figured out how to fix that sticky door handle.
by Athene Airheart May 15, 2004
i used trial and error to pass my exams! It only took 15 years to get a C!
by hex_ten May 15, 2004
trying something untill you get it right
you're checking your math problem and just keep changing the variable until it works
by bon roxor May 14, 2004
This is a term you would expect when not completing your senior school mathematics. Although there is that rare occasion where your teacher does not know how to teacher and tells you to pretty much go ahead and yolo the shit out of your exams.
"what did you do in your exam" said x

"trial and error" said mango monk
by 12MATHS_2021 November 12, 2020
A systematic means of determining a solution to a problem, often involving a large amount of time; often involves eliminating possibilities.
John, you need to use trial and error to determine the answer for #5.
by madison7667 May 14, 2004
when you mess up repeadedly until you do something right
damn i fucked up my motherboard so i went and bought some ram and found out it was actually the hard drive
by Mark May 16, 2004
To do something by trial and error means to brute force it. Just mindlessly trying different combinations of something until you get the right result.
-Hey man! I am such an awesome hacker, I cracked the password on your box!
-Nah, you just brute forced it
by Aphex May 13, 2004