not be above

be not above (doing something)

To not have principles or morals that stop one from doing something that is unethical, unpleasant, or considered shameful or embarrassing. I'll admit that I'm not above name-calling when I get into debates with other people online. He's a shady dealer who's not above ripping off his customers if he thinks he can get away with it. I'm not above working as a janitor. Work is work.
See also: above, not
Farlex Dictionary of Idioms.

not be above

—be capable of stooping to an unworthy act.
1991 Maureen Duffy Illuminations The copyist was not above turning author or forger and several MSS from this period must be viewed as highly suspect.
See also: above, not
Farlex Partner Idioms Dictionary
See also:
  • not be above doing something
  • be not above (doing something)
  • never hear the end of
  • never hear the end of it
  • never hear the end of something
  • never live (something) down
  • live down
  • stigmatize
  • stigmatize (someone or something) as (something)
  • stigmatize as