otiose

[ oh-shee-ohs, oh-tee- ]
/ ˈoʊ ʃiˌoʊs, ˈoʊ ti- /

adjective

being at leisure; idle; indolent.
ineffective or futile.
superfluous or useless.

Origin of otiose

1785–95; < Latin ōtiōsus at leisure, equivalent to ōti(um) leisure + -ōsus -ose1

Related forms

o·ti·ose·ly, adverbo·ti·os·i·ty [oh-shee-os-i-tee, oh-tee-] /ˌoʊ ʃiˈɒs ɪ ti, ˌoʊ ti-/, o·ti·ose·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for otiosity

otiose

/ (ˈəʊtɪˌəʊs, -ˌəʊz) /

adjective

serving no useful purposeotiose language
rare indolent; lazy

Derived Forms

otiosity (ˌəʊtɪˈɒsɪtɪ) or otioseness, noun

Word Origin for otiose

C18: from Latin ōtiōsus leisured, from ōtium leisure
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012