An antonym for goodwill is malice.
The opposite of a good idea would be a bad idea. Depending on how bad you could also say terrible idea.
The opposite of evil is good, or benevolent.
Impractical or unnecessary. Those words are the opposite of utilitarian.
The opposite of master is slave.
The opposite of think would usually be act.The opposite of think (believe) could be doubt.The opposite motivation from think (use intellect) would be to feel (use emotion).
what is a good sentence for the word opposite
For most meanings of good, the opposite is bad, or possibly awful.For good meaning "benevolent" the opposite would be evil(malevolent).For good meaning "acceptable in quality" the opposite would be poor.For good meaning "fresh" the opposite would be spoiled or gone bad.In other applications, the opposite could be unacceptable, unsuitable, or useless.
The opposite of a good idea would be a bad idea. Depending on how bad you could also say terrible idea.
Durable good
A good opposite would be "murmur".
The opposite of evil is good, or benevolent.
guapo is good-looking in spanish so the opposite of good-looking is ugly which would be feo in spanish
The opposite of relevant is irrelevant.
Good at perceiving
good boy
pleasing, good
Good bye