self-negating

adjective

self-ne·gat·ing | \ ˌself-ni-ˈgā-tiŋ

Definition of self-negating

: tending or serving to negate oneself: such as

a : tending or serving to render itself ineffective or invalid a self-negating criticism/argument The counterpart of the self-fulfilling prophecy is the self-negating prophecy, in which a prediction brings about its opposite.— Nicholas A. Christakis

b : tending or serving to negate or deny one's own wishes, needs, value, or importance There will be self-negating thoughts that haunt those with depression. They may think they are unworthy, or that they are a failure, despite obvious signs of success.— Wina Sturgeon Emma once worked "in TV" but is now in the self-negating throes of early motherhood.— Emily Donaldson He [Joseph Cornell] was also devoted, to an alarmingly self-negating degree, to his younger brother Robert, who suffered from a severe form of cerebral palsy.— Donna Seaman And for some reason—inexperience? compassion? self-negating politeness?—you're questioning your instincts.— Karla Miller