What in the opposite of languor?

In: Synonyms and Antonyms [Edit categories]

Relevant answers:

What is the opposite of opposites?
The opposite of opposites is similarities or likenesses.
Is the opposite of the opposite the opposite?
no the opposite of the opposite is the original No, but backwards backwards is backwards backwards.
What is the opposite of opposite?
The opposite of opposite is same, like or similar.the same.
If you have to be opposite on opposite day can there ever be an opposite day if you are opposite?
If you have to be opposite on opposite day, that makes it a day, and then there was no opposite day. But that can't be true since you HAVE to be opposite, which means that you have to be normal even...
Opposite of right is the opposite of?
Right. Because the opposite of right is left, and left is the opposite of right.