For something (patient mi-) to be extreme, of difficulty in doing something, as hiking on a steep or slippery path, working on a difficult job; of the extent of something, as of emotions, poverty, riches; in intensity, as of a strong typhoon, the soundness of one's sleep, temperature of climate or objects, of sickness; in measure, as of amount, number, size, weight of something; in strength, as of a person, a piece of hard wood.