Lisp

lisp, v.i. to speak with the tongue against the upper teeth or gums, as in pronouncing th for s or z : to articulate as a child: to utter imperfectly.— v.t. to pronounce with a lisp.— n. the act or habit of lisping.— n. Lisp′er .— adj. Lisp′ing , pronouncing with a lisp.— n. the act of speaking with a lisp.— adv. Lisp′ingly . [A.S. wlispian (a conjectural form)— wlisp , stammering; Dut. lispen , Ger. lispeln ; from the sound.]