un concluded (adjective) experimental: exploratory
Sinonime: beginning, developmental,
empirical, experiential, first stage, laboratory, momentary, on approval,
pilot,
preliminary, preparatory,
primary, probationary,
provisional,
speculative,
temporary,
tentative,
test,
trial, trial-and-error, unconcluded, under probation, unproved
Antonime: proven,
tested,
tried