It would be 'superfluous' for Jane to buy another pair of shoes since she has a closet full of them. 'Superfluous' means exceeding what is needed or being wasteful.
Your excuse is superfluous; the more you try to explain, the phonier it sounds.
superfluous
A subject in a sentence is who, what, or where the sentence is about.
This is a sentence. A prisoner has to serve the sentence the judge gives him.
This example sentence uses the word 'sentence' in an exemplary fashion.
Sandy had a superfluous amount of candy, so she shared the rest with her friends.
The superfluous work had to be done even though we had already finished the project.
unnecessary words
I have a superfluous penis.. That simple get popped like a pimple..
Neat and well-organized people know how to eliminate all superfluous clutter
I received a B on the paper because my teacher found the last two pages superfluous to what was required.I have a superfluous amount of shoes.
The brides maid's dress she wore was so superfluous that it almost topped the brides wedding dress.
It is superfluous to have 36 pairs of shoes when you always wear the same five pairs. meaning: to have more than what is needed
I personally find "the idea of" superfluous.
Superfluity is a word that describes someone who has too much of something. A great sentence for this word is, she had a superfluity of purses and scarves.
This sentence can be best explained with an example. 'Save him, doctor!' she exclaimed. Fearing the worst, she started to cry uncontrollably. After five minutes of no response, no signs of life, her friend took a deep breath and opened his eyes. ... The tears that clung to her face looked superfluous now.
Your excuse is superfluous; the more you try to explain, the phonier it sounds.