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otiose

adjective
 
 
/ˈəʊ.ti.əʊs/ /-ʃi-/ US  /ˈoʊ.t̬i.oʊs/ /-ʃi-/ formal

Definition

describes a word or phrase, or sometimes an idea, that is unnecessary or has been used several times: The use of the word 'recumbent' is surely otiose after the word 'recline'.Useless and futile
(Definition of otiose adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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