1. To eliminate, cancel, or destroy someone's hope or expectation; to make hope void or ineffective
The bad news anula a esperança of winning the competition.
A má notícia anula a esperança de ganhar a competição.
2. To render hope meaningless or insignificant; to remove the basis for optimism
His repeated failures anula a esperança that things would improve.
Seus fracassos repetidos anulam a esperança de que as coisas melhorassem.