Definition of experimental
1
: of, relating to, or based on experience or experiment
2a
: serving the ends of or used as a means of experimentation
an experimental school
b
: relating to or having the characteristics of experiment : tentative
still in the experimental stage
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Merriam-Webster unabridged
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Time Traveler for experimental
The first known use of experimental was in the 15th century
See more words from the same century