diffident - Dictionary definition and meaning for word diffident
diffident = difficult to be confident
The root DI- means lacking. The root FIDE- (like FIDElity) means trust. Therefore, DIFFIDENT means lacking trust or confidence
Sounds similar to Confidence..instead of con this word has dif in beginning.. dif (difference, subtract and hence in negative sense)..so diffident means opposite of confidence.
Look at the root word "Fident" you can place Con+fident, or Dif+fident. They are polar opposites.