This word does not have an opposite.
No. They are actually the exact opposite. Like if you have a certain word, a synonym is another word that is the same in meaning to that word, while antonym is another word which has a meaning that is the opposite of that word.
Impractical.
Leniency
ordinary, common
minimul
Yes, peccable means to be liable to sin or error. Impeccable meaning the opposite.
Unsin.
righteousness
There is no antonym for the word avenge, although there is an opposite for the meaning. The meaning is revenge, so the opposite meaning would be forgiveness.
Cowardice is nearly the opposite in meaning of valor.
what word is opposite of prudent
The opposite of the word tricky, meaning difficult or complicated, is easy or simple.The opposite of the word tricky, meaning crafty or dishonest, is forthright or honest.
Reward is the opposite meaning of the word punishment.
Reward is the opposite meaning of the word punishment.
obnoxious
The opposite of not walking is walking.
Early is the opposite of late.