Reproachable; worthy of reproof or censure(adjective)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "reprovable" in a sentence
"From Alexander the Grammarian, to be un-reprovable myself, and not reproachfully to reprehend any man for a barbarism, or a solecism, or any false pronunciation, but dextrously by way of answer, or testimony, or confirmation of the same matter (taking no notice of the word) to utter it as it should have been spoken; or by some other such close and indirect admonition, handsomely and civilly to tell him of it."
"The unstinted measure in which he poured his affectionate regards upon his friends of both sexes sounds rather sentimental to the colder-hearted Anglo-Saxon and at times seems reprovable, but, as he said himself, such was his nature, there was no remedy for it, and if there were he should not wish to employ it."
"But it is a reprovable Delicacy in them, that despise Truth in plain Cloths."