1. Relating to or based on experiment:
* This is the most common meaning. Something is experimental if it involves testing or trying out new things. For example, "This is an experimental treatment for cancer."
* It can also describe something that is still being developed or refined, like "This is an experimental design for a new website."
2. Characterized by innovation and unconventionality:
* An experimental approach to something involves taking risks and trying new things. For example, "This artist has an experimental style of painting."
* It can also describe something that is not traditional or conventional, like "This is an experimental theatre production."
3. Used in an experiment or research:
* This meaning is specific to scientific research. Experimental data is data collected during an experiment. Experimental subjects are the people or animals involved in an experiment.
In general, "experimental" implies that something is new, uncertain, and open to change. It is often associated with a spirit of exploration and a willingness to take risks.