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Noun: operoseness  'ó-pu,rows-nus
  1. The quality of requiring extended effort
    - laboriousness, toilsomeness

Type of: effortfulness

Nearest

operatively
operator
operator gene
opercular
operculate
operculated
operculum
operetta
operon
operose
operoseness
Opheodrys
Opheodrys aestivus
Opheodrys vernalis
Ophidia
ophidian
Ophidiidae
ophidism
Ophiodon
Ophiodon elongatus
Ophiodontidae