If you describe a statement or belief about the future as self-fulfilling, you mean that what is said or believed comes true because people expect it to come true.
Fear of failure can become a self-fulfilling prophecy.
self-fulfilling in British English
adjective
(of an opinion or prediction) borne out because it is expected to be true or to happen
a self-fulfilling prophecy
self-fulfilling in American English
(ˈsɛlffəlˈfɪlɪŋ)
adjective
1.
bringing about self-fulfillment
2.
brought to fulfillment chiefly as an effect of having been expected or predicted
a self-fulfilling prophecy
Examples of 'self-fulfilling' in a sentence
self-fulfilling
Our marriage has been the victim of a terrible self-fulfilling prophecy.
Alex George LOVE YOU MADLY (2002)
And sometimes the anticipation of disaster is a self-fulfilling prophesy.