The wiki article lists a few categories like gradable words that exist on a spectrum (hot/cold), complementary or binary pairs with no spectrum (entrance/exit, moral/immoral), and relational types that only make sense in a certain context (teacher/student).
Now I think about it, I’d seen it on this comedy version of Dragon’s Den with Andy Hamilton and Reginald D Hunter, but the real-world thing is probably more interesting!
The wiki article lists a few categories like gradable words that exist on a spectrum (hot/cold), complementary or binary pairs with no spectrum (entrance/exit, moral/immoral), and relational types that only make sense in a certain context (teacher/student).
https://en.wikipedia.org/wiki/Opposite_(semantics)
Now I think about it, I’d seen it on this comedy version of Dragon’s Den with Andy Hamilton and Reginald D Hunter, but the real-world thing is probably more interesting!