Simple Definition of demonstrable

from our Learner's Dictionary

demonstrable

adjective

dɪˈmɑːnstrəbəl

formal : able to be proven or shown : possible to demonstrate

There is no demonstrable evidence that the treatment is effective.

a clearly demonstrable improvement

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“Demonstrable.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/demonstrable. Accessed 20 Jun. 2026.

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