Deaf and dumb and Deaf-and-dumb

Deaf-and-dumb and deaf and dumb are semantically related. In some cases you can use "Deaf-and-dumb" instead the phrase "Deaf and dumb" as a noun or an adjective.

Deaf-and-dumb adjective - Lacking the sense of hearing and the ability to speak.

Deaf and dumb and deaf-and-dumb are semantically related. Sometimes you can replace phrase "Deaf and dumb" with "Deaf-and-dumb", this phrases are similar.