Contiguous means very close so the opposite would be very far.
very good
"Exam" is a noun. Very few nouns have an opposite. The verb form "examine" has an opposite, "ignore."
easy very easy or very very very very easy
Rough is the opposite of smooth.
The opposite of 'pianissimo' (very soft) is 'fortissimo' (very loud).
BLOOD
No. They can be very similar terms. The opposite of classic would be modern, or innovative.
An ignoramus is an ignorant, stupid person. The opposite would be a very smart person. An example of the opposite of an ignoramus would be a genius.
For comparing quality, the opposite of "premier" (superior) could be inferior or poor. Where premier assumes the very best, the opposite is worst or poorest.
No. Quite the opposite.
Very few, or so few.