Synonyms of experimental in English:

experimental


See US English definition of experimental

See UK English definition of experimental

See Spanish definition of experimental

adjective

1‘interactive computing was still at an experimental stage’

SYNONYMS
exploratory, investigational, probing, fact-finding, trial and error
trial, test, pilot
speculative, conjectural, hypothetical, tentative
preliminary, probationary, prototype, under review, under the microscope, on the drawing board, empirical, observational
untested, untried
ANTONYMS

finished, theoretical

2‘he started making music that was far more experimental’

SYNONYMS
innovative, innovatory, new, original, inventive, radical, avant-garde, alternative, fringe
unfamiliar, unorthodox, unconventional, eccentric, offbeat, off-centre, bohemian
North American left-field
informal go-ahead, way-out
ANTONYMS

stale, hackneyed