She did prepare well for exam but all effort went in otiose.
The otiose regulation angered citizens.
Senators and Representatives in Congress were in disagreement about the otiose legislation.
(Otiose is used to indicate that something is futile, useless, or superfluous.) "With the opening of the new bridge, the otiose regulations for ferry traffic were quietly withdrawn." "In rural areas, it is not uncommon to find otiose equipment used as lawn ornaments."
During the loquacious meeting, tempers flared and a kerfuffle ensued over questioning the probity of certain actions. Despite attempts to resolve the issue, the argument turned into an otiose exchange of vituperative remarks, leaving little room for progress to be made.
Jerry is a kind of guy who is always prone to otiose confabulations
First , you control your otiose spending money from your hand
The word "otiose" is an adjective and so doesn't have a past tense. Only verbs have past tenses.
serving no practical purpose
otiose
others, otters, otiose
The word otiose could apply to individuals, meaning indolent, idle, or lazy. But its major use as an adjective is to mean futile, hopeless, or useless, or indicate that something is superfluous or pointless.
lazy, not useful, idle, indolent, stuff like that.
A sentence to say in one sentence is to say a sentence in one sentence! It is quite easy to say a sentence in one sentence if that is all you have to say. "The cat with brown hair, hair of brown has the cat" is a sentence to say in one sentence. To say in one sentence the reasons behind the onset of World War Two does not do the subject any justice at all.
Otiose is a single word synonym for serving no useful purpose.