Answer: numberone

AnswerCrossword Clue
NUMBERONE

Top of the charts

NUMBERONE

Top-ranked

NUMBERONE

The self, very often.

NUMBERONE
Most people look out for it
NUMBERONE
Big hit
NUMBERONETops
NUMBERONEBeetles and Golfs, briefly
NUMBERONE"We're ...!"
NUMBERONEForemost
NUMBERONETop priority