deprecate

verb

1. (transitive)To express disapproval of, protest or plead against.

   “They deprecated the attempt to deny aid to homeless people.”

   “She deprecated any action which might disturb the peace.”

   “He spoke of Ethel continually; entreated her to forgive him; deprecated her coldness; and implored her to retract her refusal.”

2. (transitive)To belittle, depreciate.

   “He deprecates any praise of his own merits.”

   “Prior to the 1980s, Australian English had been widely deprecated by Australians themselves, principally as a result of a sense of inferiority known as "cultural cringe".”

3. (transitive)To declare something obsolescent; to recommend against a function, technique, command, etc. that still works but has been replaced.

   “The 'bold' tag has been deprecated in favour of the 'strong' tag.”

   “It is still supported but strongly deprecated.”

   “A deprecated function works in the currently released version of Perl 5 but may not be supported in future releases of Perl 5.”

4. (archaic, transitive)To pray against.

   “And in deprecating of Evil, we make an humble Acknowledgement of Guilt; and of God’s Juſtice in chaſtizing, as well as Clemency, in ſparing the Guilty.”

   “[…], though the Temporal Judgments which We Deprecate, are not remov’d.”

5. (archaic, transitive)To regret deeply.