We found 5 dictionaries that define the word hmmm:

General (2 matching dictionaries)

1. hmmm: Merriam-Webster
2. hmmm: Wiktionary

Miscellaneous (2 matching dictionaries)

3. Ka-BOOM! Comicbook Words on Historical Principles (No longer online)
4. HMMM: Acronym Finder

Slang (1 matching dictionary)

5. hmmm: Urban Dictionary

▸ Words similar to hmmm ▸ Usage examples for hmmm ▸ Idioms related to hmmm ▸ Wikipedia articles (New!) ▸ Words that often appear near hmmm ▸ Rhymes of hmmm ▸ Invented words related to hmmm