'trial and error' definitions:

Definition of 'trial and error'

From: WordNet
noun
Experimenting until a solution is found

Definition of 'trial and error'

From: GCIDE
  • trial and error \tri"al and er"ror\ The method of discovering something desirable by trying many different things until one works; as, the traditional method of finding new drugs is by trial and error. [PJC]
  • And millions miss for one that hits. --Swift. [1913 Webster]

Synonyms of 'trial and error'

From: Moby Thesaurus