Lisp v. i. [imp. & p. p. Lisped p. pr. & vb. n. Lisping.]
1. To pronounce the sibilant letter s imperfectly; to give s and z the sound of th; -- a defect common among children.
2. 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, for the numbers came. --Pope.
3. To speak hesitatingly with a low voice, as if afraid.
Lest when my lisping, guilty tongue should halt. --Drayton.