Um

From Middle English um, from Old Norse um, umb ("around, about"), from Proto-Germanic *umbi ("around"), from Proto-Indo-European *ambÊ°i- ("by, around"). Cognate with Old English ymbe ("around"). More at umbe.

Alternative forms

• umb, umbe

Full definition of um

Preposition

1. Alternative form of umbe

Pronunciation

• Rhymes: -ÊŒm (when stressed, or as a verb)

Alternative forms

• umm

Interjection

1. (chiefly American) Expression of confusion or space filler in conversation. See uh.Um, I don’t know.Let’s see... um... how about this?

Verb

1. (intransitive) To make the um sound to express confusion or hesitancy.

Pronunciation

• Pronounced as micrometer.

A Latin-script rendering of µm.

Noun

1. Alternative spelling of µm

Anagrams

• mu, Mu, MU