Difference between Derogatory and Uncomplimentary

DEROGATORY vs UNCOMPLIMENTARY: NOUN

A sentence of secret character inserted by the testator alone, of which he reserves the knowledge to himself, with a condition that no will he may make thereafter shall be valid, unless this clause is inserted word for word; -- a precaution to guard against later wills extorted by violence, or obtained by suggestion.
Tending to derogate, or lessen in value; expressing a low opinion; expressing derogation; detracting; injurious; -- with from, to, or unto.
Tending to detract or diminish.
Disparaging; belittling.
Expressive of low opinion

Synonyms Depreciative, discreditable, disgraceful.
Detracting or tending to lessen by taking something away; that lessens extent, effect, estimation, etc.: with to, sometimes from.

Malicious, Humiliating, Vicious, Negative, Contemptuous, Dismissive, Degrading, Abusive, Snide, Demeaning, Insulting, Pejorative, Uncomplimentary, Derogative, Disparaging

Dislogistic, Depreciatory, Deprecative, Slighting, Supercilious, Sneering, Belittling, Pejorative, Deprecating, Deprecatory, Snide, Derogative, Derogatory, Unflattering, Disparaging

Malicious, Humiliating, Vicious, Negative, Contemptuous, Dismissive, Degrading, Abusive, Snide, Demeaning, Insulting, Pejorative, Uncomplimentary, Derogative, Disparaging

Depreciatory, Depreciative, Deprecative, Slighting, Supercilious, Sneering, Belittling, Pejorative, Deprecating, Deprecatory, Snide, Derogative, Derogatory, Unflattering, Disparaging

Comments containing profanity, derogatory or obscene language, etc.
The same is true with derogatory credit information.
Japanese use of the word hafu is derogatory.
Do not use derogatory terms in any context.
Sometimes used as a derogatory term for lesbians.
Derogatory status that states the obligation was satisfied.
Famous or well known in a derogatory sense.
In the model, the removal of derogatory information leads to an increase in credit for those consumers who had the derogatory information removed.
Derogatory Information Sponsoring Officials, Requesting Authorities, or Approval Authorities may disapprove or revoke access document requests for individuals whose background check reveals derogatory
Such behavior includes, but is not limited to, using derogatory names, derogatory or threatening gestures, or profane language.

He told me he sent an uncomplimentary text message about a teacher to his friend.
Philip Pullman has many uncomplimentary things to say about the writings of CS Lewis and religion in general.
These wasfs, or descriptions contain ancient flattery that strikes contemporary readers as uncomplimentary to say the least.
Taunt, ask an unpleasant question, make an uncomplimentary remark.
It is not only ill-mannered but often thoughtlessly cruel and insulting to make uncomplimentary remarks.
Any thoughts on this forum, I am uncomplimentary to tell right from wrong.
Make sure your introduction contains nothing that may be derogatory, condescending or uncomplimentary.
There is an uncomplimentary undertone introduced into this lovely lyric of bird song.
Appeal this finding libraries that make an exercise or uncomplimentary information.
To my mind it is somewhat uncomplimentary, but not hugely so.