wear off
US /wer ˈɔf/
UK /wer ˈɔf/

1.
desaparecer, pasar, perder el efecto
to gradually disappear or stop having an effect
:
•
The effects of the painkiller started to wear off.
Los efectos del analgésico comenzaron a desaparecer.
•
The novelty of the new toy will soon wear off.
La novedad del nuevo juguete pronto desaparecerá.