The opposites would be lavish, spendthrift, wasteful, or profligate.
by dint of frugality means that the person is extremely diligent about using money...
The man was filled with frugality that he ordered a cheap meal.
Yes, the noun 'frugality' is an abstract noun, a word for a concept.
A savvy buisnessman will practice frugality when running his company to keep the overhead down. Her frugality at the market meant there was money leftover for a rainy day.
Frugality is the quality of being economical or thrifty in managing money or resources. An example sentence is: "By practicing frugality, she was able to save enough money to take a trip around the world."
The Wisdom Tree - 2008 Frugality 2-4 was released on: USA: 31 January 2009
"Dint" is "force, or means" and isn't used anymore. "By dint of frugality" means the person is extremely diligent about using money; "frugal" means careful, economical.
Some common strategies of frugality are the reduction of waste, curbing costly habits, seeking efficiency, using barter, and defying expensive social norms.
extreme or excessive economy or frugality; stinginess;niggardliness.
Frugality
temperance, avoidance, moderation, frugality, self-control, soberness
The noun forms for the adjective frugal are frugalness and frugality.