abjure\verb

MEANING
Swear; renounce; forswear

If you abjure something such as a luxury or a way of life, you state publicly that you will give it up.

SENTENCES
It was difficult for him to abjure the luxuries of life, as demanded by the swami.

The firm decided to abjure the policy it had been following for a long time. It was not yielding any profit.

Worth learning, I don’t think there are any that aren’t, it can only help your knowledge not hurt it