Definition of "achoo"

achoo

/əˈt͡ʃuː/

interjection
1. (onomatopoeia) The sound of a sneeze.
noun
plural achoos
1. The sound of a sneeze.
verb
third-person singular simple present achoos, present participle achooing, simple past and past participle achooed
1. (colloquial) To sneeze loudly; to make an "achoo" sound.