Main Entry:

¹lisp

Pronunciation:

\ˈlisp\

Function:

verb

Etymology:

Middle English, from Old English -wlyspian; akin to Old High German lispen to lisp

Date:

before 12th century

intransitive verb 1 : to pronounce the sibilants \s\ and \z\ imperfectly especially by turning them into \th\ and \th\ 2 : to speak falteringly, childishly, or with a lisp transitive verb : to utter falteringly or with a lisp

— lisp·er noun