A frugal processor is someone who is cautious and careful with their spending and resource usage. Synonyms for this term include thrifty, economical, efficient, resourceful, and budget-conscious. Thrifty implies that the individual is able to make the most out of limited resources without sacrificing quality. Economical means maximizing efficiency to save money. Efficient connotes the skillful and effective use of resources. A resourceful processor is able to find creative and inventive solutions to problems. Finally, budget-conscious suggests that the individual is mindful of their financial limitations and adept at adhering to a strict budget. Whatever term you choose, it all boils down to being careful with your expenditure.