laggard
noun [ C ]
uk/ˈlæɡəd/ usa company, organization, etc. that does something later, or improves less quickly, than others:
Mexico, long a laggard in financial reform, is at last putting its banks in order.
Steel companies are still considered laggards compared to high-tech manufacturers.
MARKETING
someone who buys a product at a much later date than most people:
I confess to being a laggard over this form of tax-free investing.
The last remaining laggards have now bought mobile phones.
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early adopter