Not all words have opposites, and army is one of those. There is no such thing as an anti-army. Either you have one, or you don't. And that's it.
what word is opposite of prudent
The opposite of anything is it's absence. Silence would be the opposite of a word spoken.
An army female.
which is the opposite to the word satisfaccion
The opposite of the word "answer" is "question."
This word does not have an opposite.
There is no opposite to cobble.
The word 'surf' does not have a opposite word.
Opposite word of light
If by 'opposite' you mean the word for someone of the opposite sex who has the same state or condition expressed in the word, then the opposite of 'bachelorette' is 'bachelor'.
injustice.The opposite word for justice is the word injustice.
An antonym (opposite) of the word rivalry is cooperation.