vital, essential
incidental means not a major part of something. His injuries were a result of incidental damage. That is an incidental fact, not related to the main argument.
Having the fastest time was incidental to winning the race.
incidental, supervenient
I tripped, incidentally, my enemy's leg was out where I had tripped.
No. The adjective is incidental and the adverb incidentally.
Small amounts of incidental expenses are paid from a "petty" cash fund. Petty begins with the letters pet.
petty cash
The word incidentally means "by the way" or "of a minor nature".
'It was an incidental cause'
what word is opposite of prudent
The opposite of anything is it's absence. Silence would be the opposite of a word spoken.