adjective Etymology: Latin otiosus, from otium leisure Date: 1794 producing no useful result ; futile , being at leisure ; idle , lacking use or effect ; functionless, see: vain ~ly adverb ~ness noun otiosity noun
OTIOSE
Meaning of OTIOSE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012