1. the quality or state of requiring or involving considerable effort; the characteristic of being effortful
Usage: abstract noun derived from the adjective 'effortful'; commonly used in psychology and cognitive science contexts

Examples

• The effortfulness of the task became apparent after the first hour of work.
• Students often underestimate the effortfulness required to master a new language.
• The effortfulness of maintaining focus during long meetings can be exhausting.
• Cognitive scientists study the effortfulness of different mental processes.
• Despite the effortfulness involved, she completed the project on time.