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Noun: arduousness  aa(r)-joo-us-nus or aa(r)-dyoo-us-nus
  1. Extreme effortfulness
    - strenuousness

Type of: effortfulness

Nearest

ardently
Ardisia
Ardisia crenata
Ardisia escallonoides
Ardisia paniculata
ardor
ardour
ARDS
arduous
arduously
arduousness
are
area
area 17 of Brodmann
area bombing
area code
area of cardiac dullness
area studies
area unit
areal
areaway