oti·ose \ˈōshēˌōs, ˈōd.ēˌōs\adjective Etymology: Latin otiosus, from otium ease, leisure + -osus -ose 1.: being at leisure or ease : idle, unemployed 2.: without profit : sterile, futile < an otiose undertaking > 3.: lacking use or effect : functionless < otiose letters in an alphabet > < otiose lines in a play > 4.of a deity: remote and aloof : not concerned with the details of the world Synonyms:see vain