Part of speech:
An investigation or inspection made for the purpose of diagnosis.
To experiment is defined as to try out something new or to test a theory
Resulting in both successes and failures
The definition of hit or miss is a term used to describe something that might be good sometimes and bad others, especially when you cannot predict when it will be good or bad.
To make an inquiry about (something); investigate or examine:
To study (something) thoroughly so as to present in a detailed, accurate manner:
Nathaniel Hawthorne (1804-1864)
A procedure for critical evaluation; a means of determining the presence, quality, or truth of something; a trial:
Find another word for trial-and-error. In this page you can discover 13 synonyms, antonyms, idiomatic expressions, and related words for trial-and-error, like: R and D, analysis, cut and try, examination, experiment, hit-and-miss, hit-or-miss, probe, research, research and development and study.