Main Entry:

stam·mer

Pronunciation:

\ˈsta-mər\

Function:

verb

Inflected Form(s):

stam·mered; stam·mer·ing \ˈsta-mə-riŋ, ˈstam-riŋ\

Etymology:

Middle English stameren, from Old English stamerian; akin to Old High German stamalōn to stammer, Old Norse stemma to hinder, damn up — more at stem

Date:

before 12th century

intransitive verb : to make involuntary stops and repetitions in speaking transitive verb : to utter with involuntary stops or repetitions

— stammer noun

— stam·mer·er \-mər-ər\ noun