Synonyms of stammer in English:

stammer


See US English definition of stammer

See UK English definition of stammer

See Spanish definition of tartamudeo

verb

1‘he always began to stammer when he was under pressure’

SYNONYMS
stutter, speak haltingly, stumble over one's words, hesitate, falter, fumble for words, pause, halt, mumble, splutter

noun

1‘a rather insecure young man with a slight stammer’

SYNONYMS
stutter, speech impediment, speech defect