Definition
to persist in adhering to what you committed to in a decision, agreement, or pledge
Even in the face of difficulties, he decided to stand by his commitments.
We need to stand by this agreement, no matter what happens.
She will surely stand by her decision because she believes it is the right thing to do.
to maintain the belief that your previous statement is correct
Despite facing criticism, he still stands by his comments.
She stands by her position on this issue and has no intention of changing it.
Even with opposing evidence, he stands by his viewpoint.