stutterer

UK: /ˈstʌtərəʳ/

WordReference Random House Learner's Dictionary of American English © 2025

stut•ter /ˈstʌtɚ/   v., 

1. to speak with the rhythm interrupted by repetitions, blocks, or spasms, or prolongations of sounds or syllables: [no object]
   He stuttered when he spoke.
   [used with quotations]
   "Wha-..wha-..what do you mean?'' he stuttered.

n. [countable]

2. an act or instance of stuttering.
3. stuttering speech.

stut•ter•er, n. [countable]

WordReference Random House Unabridged Dictionary of American English © 2025

stut•ter  (stut′ər), v.t., v.i. 

1. to speak in such a way that the rhythm is interrupted by repetitions, blocks or spasms, or prolongations of sounds or syllables, sometimes accompanied by contortions of the face and body.

n. 

2. distorted speech characterized principally by blocks or spasms interrupting the rhythm.

• 1520–30; earlier stut (Middle English stutten to stutter) + -er⁶; compare Dutch stotteren, Middle Low German stotern in same sense

stut′ter•er, n. 
stut′ter•ing•ly, adv. 
Synonyms

• 1. See stammer.