Meanings of depreciatory remarks in English

He sought by depreciatory remarks to keep the conversation at its proper adult level.

But against any such depreciatory remarks we have to set Chopin's high opinion of Zywny's teaching capability.

In private talk with Martin Warricombe, Mr. Lilywhite did not hesitate to call him 'a mountebank', and to add other depreciatory remarks.

Jack laughed at the suggestion, but did not indulge in the depreciatory remarks concerning Miss Burrell which many men would have used under the circumstances.