The opposite of much is usually little or not much.
(where it means many, or numerous, the opposite can be few).
The opposite of occulumency is legimency
Given the meaning of the word lane, there are no real Antonyms - or opposite words - for this word. To express the opposite of this word would specific to the context in which it will be used. For example one may consider Highway or Freeway to describe something much bigger than a single Lane, while on the other hand a Lane may be referring to a clear or straight path in which case an opposite idea would be an obstructed or wayward path of sorts.
it is the opposite of invaluable
a unicorn
Cary Grant and James Stewart were the lead roles opposite Hepburn.
The opposite of 'much' is 'little'.
Heaps.
Antonyms are words that have pretty much opposite meanings.
The purpose of finding the opposite of a number is to find its absolute value. This is how much less or greater it is than zero and how much it needs to return to zero.
You may be thinking of composite numbers. I wouldn't consider them opposite so much as complementary.
The opposite "situation" of not enough would be enough(sufficiency). But the opposite "extreme" would be too much(surfeit, overabundance).
duchess (the female, not so much opposite)
It is not so much that heart and mind are opposite; they are just different. Sometimes they coincide.
You can have an opposite of a property, such as "big", "fast", "silly", but in most cases it doesn't make much sense to talk about opposites of objects.
More than enough or too much
There isn't an opposite of ADHD par say. Schizophrenia would be the chemical opposite of ADHD since it involves too much dopamine in the brain as opposed to little dopamine in individuals with ADHD.
Mayoress. Used in Britain, but not much in North America.