No, "earnest" does not have a prefix in it.
The prefix for inadequate is in-. The prefix in- means not.
The prefix for include is in-. This prefix means not.
The prefix is un-. This prefix means not.
A prefix is not a prefix when it is placed at the end of a word rather than the beginning. In this case, it is referred to as a suffix.
The opposite prefix of the prefix "meta-" is "pre-".
He was an earnest man. He performed his task in earnest.
earnest
Earnest Rhone's birth name is Earnest Calvin Rhone.
Matthew Earnest's birth name is Matthew Walter Earnest.
Earnest Byner's birth name is Earnest Alexander Byner.
The look on his face was so earnest that she believed him. His earnest devotion to her was a source of great comfort.
Benjamin Earnest is 6'.
There are 2 syllables in earnest.
The shopkeeper was very earnest to his customers.
more earnest, most earnest
Earnest Rhone is 6' 2".
Matthew Earnest is 5' 10".