COMMON If a person or thing is streets ahead of another, they are much better or more advanced than the other. The Waratahs were streets ahead of the home side. In engineering skill, the company is streets ahead of its competitors. Germany is streets ahead in environmental awareness.
streets aheadgreatly superior. British informal
1991 Alistair Campbell Sidewinder He has his shortcomings, sure, but he's streets ahead of Dr Nada.