Remember that we have to be careful about how we use the word ‘opposite’ in language:
"Opposites. A word might have two opposites: the opposite of
short might be
long or
tall, depending on if we are referring to a person's hair or a person's height. The opposite of a
bad case of poison ivy is not a
good one, but a
mild one, and the opposite of
rock-hard would not be
rock-soft, but might be expressed as
baby-soft.
Also, it is hard to say what an opposite is. Is
enemy the opposite of
friend?
Friend might be contrasted with
enemy in a proverb like, "A thousand friends are not enough, one enemy is too many." But in naturally occurring language
friend is more often connected with words like the following: "family, friends and acquaintances," "friends, neighbors, co-workers," "friends and acquaintances," etc.
"
Stockdale - Definition Plus Collocation in Vocabulary Teaching and Learning (TESL/TEFL)