demandingnesses

/dɪˈmændɪŋnəsɪz/
noun
  1. The quality of requiring a lot of effort, attention, or skill; the state of being difficult to satisfy or deal with.
    • The demandingnesses of the job left her exhausted every evening.
    • Parents often underestimate the demandingnesses of raising twins.
    • The demandingnesses of the project required the team to work overtime for weeks.
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