Definition of "deprecate" in English

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.

2. (transitive) To belittle, depreciate.

   • He deprecates any praise of his own merits.

3. (transitive, chiefly computing) 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.

4. (archaic, transitive) To pray against.

5. (archaic, transitive) To regret deeply.