Words similar to opposites

Example sentences for: opposites

How can you use “opposites” in a sentence? Here are some example sentences to help you improve your vocabulary:

gingerly Neither denotes nor connotes spice or snap or red hair, rather just their opposites: cautious, careful, wary.
oxymoron Not a name for dumb cattle, but a rhetorical device that couples opposites into descriptions effective for their irony: cold as hell, honest as a politician.
Third-graders have long known of "Opposites Day," the fictional day once a year when everything means its opposite.
The two campus archetypes were considered to be such polar opposites that the word knurd emerged.
Why are these ups and downs not polar opposites?