Opposite (n.) such as life and death, gain and loss, are the edges of a reality "between" them for which we have no words.
Opposite (n.) are not strangers in collision but expressions of polarity, sharing something between them like the two faces of a coin.
Opposite (n.) are different but inseparable, like a cat's front end and rear end: cut them apart and the cat dies.
Opposite (n.) such as light and dark, on and off, cause and effect, are poles of one thing for which we have no word but vague ones like Being or God.
Opposite (n.) look to the Western mind like God and the Devil — mutually exclusive — which is why we cannot see that contraries depend on each other.
Opposite (n.) are separable in words but not in reality — not in the solid relationship between the terms.