Otiose

The hall was constructed in the manner of a Roman atrium, and from the oblong pool of turgid water in the centre a troop of fat and otiose rats fled weakly squealing at my approach.

Source: tatoeba (11620130)

The most eminent jurists have not even yet decided on a satisfactory definition of piracy. […] One school holds that it is any felony committed on the High Seas. But that does little except render a separate term otiose. Moreover, it is not accepted by other schools of thought.

Source: wiktionary

It may seem otiose thus to have re-examined the elements of a distant controversy. I have sought only to indicate that there are several perfectly respectable reasons why British opinion should have been so utterly bewildered between 1793 and 1783. Such an examination, even if it manages not to cause offense, is bound itself to become confused and to reflect the cloudy muddle of the period. It is preferable therefore to elucidate the conflict by describing its changing effects on a single individual.

Source: wiktionary

Pemulis, w/ aid of 150mg. of time-release Tenuate Dospan, almost danced a little post-transaction jig on his way up the steps of the otiose Cambridge bus.

Source: wiktionary