achoo /əˈt͡ʃuː/exclamation 1noun 1verb 1forms 3 exclamation1 •The sound of a sneeze.Achoo—I think I'm coming down with something! noun1 •The sound of a sneeze. verb1 •(informal) To sneeze loudly; to make an achoo sound. formsachooed · achooing · achoos
