매우 유용하거나 없어서는 안 될 정도로 가치가 높은; 값을 매길 수 없을 만큼 귀중한
Extremely useful or indispensable; having a value too great to be measured.
예문:
"The mentor's guidance proved invaluable to the young entrepreneur during the first year of business."
"Access to the digital archives is an invaluable resource for historians researching the medieval period."
"Her experience in crisis management made her an invaluable asset to the emergency response team."