trial-and-error

adjective satellite

1. trying out various means or theories until error is satisfactorily reduced or eliminated

   adj.all

   Examples

   He argued that all learning is a trial-and-error process that resembles biological evolution.

   Source: WordNet 3.0

2. relating to solving problems by experience rather than theory

   adj.all

   Examples

   They adopted a trial-and-error procedure.

   Source: WordNet 3.0