no doubt(redirected from a doubt)
a transitional or interpretative phrase strengthening the rest of a previous sentence. Sue: Mary is giving this party for herself? Rachel: Yes. She'll expect us to bring gifts, no doubt. Mary: All this talk about war has my cousin very worried. Sue: No doubt. At his age, I don't wonder.
1. Probably, most likely, as in No doubt you've heard the news about Mother. [Early 1300s]
2. Also, without doubt or a doubt . Certainly, without question, as in He's guilty, no doubt, but he doesn't deserve such a long sentence, or That basketball player is without doubt the tallest man I've ever seen. [Early 1300s] Also see beyond a doubt.