lisp Meaning, Definition & Usage

noun a speech defect that involves pronouncing `s' like voiceless `th' and `z' like voiced `th'
noun a flexible procedure-oriented programing language that manipulates symbols in the form of lists
list-processing language.
verb speak with a lisp

OE. lispen, lipsen, AS. wlisp stammering, lisping; akin to D. & OHG. lispen to lisp, G. lispeln, Sw. läspa, Dan. lespe.

imperfect & past participle Lisped ; present participle & verbal noun Lisping

To pronounce the sibilant letter s imperfectly; to give s and z the sound of th; -- a defect common among children.
To speak with imperfect articulation; to mispronounce, as a child learning to talk.
As yet a child, nor yet a fool to fame, I lisped in numbers came. Pope.
To speak hesitatingly with a low voice, as if afraid.
Lest when my lisping, guilty tongue should halt. Drayton.

To pronounce with a lisp.
To utter with imperfect articulation; to express with words pronounced imperfectly or indistinctly, as a child speaks; hence, to express by the use of simple, childlike language.
To speak unto them after their own capacity, and to lispe words unto them according as the babes and children of that age might sound them again. Tyndale.
To speak with reserve or concealment; to utter timidly or confidentially; as, to lisp treason.

The habit or act of lisping. See Lisp, v. i., 1.
I overheard her answer, with a very pretty lisp, "O! Strephon, you are a dangerous creature." Tatler.