All 3 Uses

discord
in
The Time Machine
(Auto-generated)

I shivered violently, and shouted again--rather discordantly.
Chpt 6 *

discordantly = unpleasantly (with a harsh sound)
I, for my own part, cannot think that these latter days of weak experiment, fragmentary theory, and mutual discord are indeed man's culminating time!
Chpt Epil. *

discord = disagreement
There is a sentiment arising, and it will grow, against connubial jealousy, against fierce maternity, against passion of all sorts; unnecessary things now, and things that make us uncomfortable, savage survivals, discords in a refined and pleasant life.†
Chpt 4

Definitions:

(1) (discord as in: discord amongst the group)
conflict or disagreement -- especially among those expected to cooperate

or (especially in the form discordant):

seeming different or wrong in context
(2) (discord as in: discordant music)
unpleasant sound -- especially a combination of sounds that sound wrong together (though sometimes done intentionally in music)
(3) (meaning too rare to warrant focus)