Dim stars are far more common than bright ones. But because they are dim, we can't see them without good telescopes.
Dim
bright
it has bright
bright
the words bright and dim are antonyms because they are opposites
The word opposite to the word dim is bright.
Dim.
If you're talking about a gender difference, then the opposite is a bright girl. Otherwise the opposite of 'bright boy' is 'dull boy'
Bright.
Bright.
Bright
The opposite of "bright" is usually "dim." The "g" may be incorrect.