There are 2 definitions of lisp in English:

lisp1

Syllabification: lisp
Pronunciation: /lisp
 
/

noun

A speech defect in which s is pronounced like th in thick and z is pronounced like th in this.
More example sentences
  • ‘His lisp was a natural speech impediment, but I think [the producers] were concerned over how it would be received,’ he says.
  • In fact he had a curiously dry - albeit pleasant - soft spoken voice that was more soothing than intimidating, and he even had a slight lisp.
  • Drew was missing his two front baby teeth and had possessed a slight lisp from birth, causing his s's to come out as th's.

verb

[no object] Back to top  
Speak with a lisp.
More example sentences
  • ‘Man… dey get knock out,’ she lisped, seeing my surprise.
  • The inebriated man drew a sword and sloppily lisped out, ‘You embarrreshed me!’
  • Luckily, this hasn't happened in a long time and, therefore, I haven't lisped since eighth grade.

Origin

Old English wlispian (recorded in āwlyspian), from wlisp (adjective) 'lisping', of imitative origin; compare with Dutch lispen and German lispeln.

Derivatives

lisper

noun

lispingly

adverb

Definition of lisp in:

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Word of the day hypnopompic
Pronunciation: ˌhipnəˈpämpik
adjective
relating to the state immediately preceding waking up...

There are 2 definitions of lisp in English:

Lisp2

Syllabification: Lisp
Pronunciation: /lisp
 
/
(also LISP)

noun

A high-level computer programming language devised for list processing.
More example sentences
  • Interestingly, they wrote their code primarily in Lisp, an artificial intelligence language most commonly used at universities.
  • A few programming languages - notably Lisp and its offspring - provide integers of unlimited size and exact rationals as built-in data types.
  • His interests also include hiking, amateur radio and programming in Lisp.

Origin

1950s: from lis(t) p(rocessor).

Definition of lisp in: