deprecate

verb5

1. •
   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.
2. •
   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.
3. •
   To belittle, depreciate.

   • He deprecates any praise of his own merits.
4. •
   (no longer used) 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. — 1701
5. •
   (no longer used) To regret deeply.