English

Interjection

umm

1. Interjection implying hesitation; see um.

   - How does a plane fly?

   - Umm, I don't know.

Synonyms

• er
• hmm
• um

Verb

umm ‎(third-person singular simple present umms, present participle umming, simple past and past participle ummed)

1. (intransitive, rare) To make the umm sound to express confusion or hesitancy.

Anagrams

• MMU
• mum, Mum