We can strengthen or emphasise a comparative adjective using words such as much, a lot, far, even or rather, or by using than ever after the adjective:
This food is much better than the food we had yesterday.
The town is a lot more crowded these days because of the new shopping centre.
Alex is far less intelligent than the other kids in the class.
We’ve been busier than ever at work this last month or so.
We can soften a comparative adjective using a little or a bit. A bit is less formal:
She feels a little more confident now that she’s given her first public performance.
or She feels a bit more confident … (less formal)