toptop1 /tɒptɑːp/ adjectiveadj [only before a noun]1at the highest levelThe top rate of income tax has been cut sharply.
the pay of top executives
She spent five years in the top job.
He is among the top 5% of earners in this country.
2biggest or most successfulthe top 100 companies in the UK
3bestWe sell only top-quality goods.