Definition of "lisp" in English

noun

1. The act or a habit of lisping.

   • He used to have a terrible lisp before going to a speech therapist.
   • It's common for children to speak with a lisp.

verb

1. (intransitive) To pronounce the consonant ‘s’ imperfectly; to give ‘s’ and ‘z’ the sounds of ‘th’ (/θ/, /ð/). This is a speech impediment common among children.

   • Until the age of 10, Dominic would lisp, but this was fixed by a speech therapist.

2. (intransitive) To speak with imperfect articulation; to mispronounce, such as a child learning to talk.

3. (intransitive, archaic) To speak hesitatingly and with a low voice, as if afraid.

4. (intransitive, archaic) to express by the use of simple, childlike language.

5. (intransitive, archaic) To speak with reserve or concealment; to utter timidly or confidentially.

   • to lisp treason