WordReference English-Spanish Dictionary © 2015:

Compound Forms:
ir más o menos be okay, be so-and-so
más o menos acertado more or less correct
más o menos igual more or less the same
más o menos normal fairly normal, almost normal
  Is something important missing? Report an error or suggest an improvement.

'mas o menos' found in these entries
In the Spanish description:
English:

Download free Android and iPhone apps

Android AppiPhone App
Infórmanos de los anuncios inapropiados.