dumb >> /dəm/
Definition: [transitive verb] Make dumb or unheard; silence.
Definition: [adjective] Temporarily unable or unwilling to speak.
Definition: [adjective] (of a person) unable to speak, most typically because of congenital deafness.
Definition: [adjective] Stupid.
Definition: [adjective] (of a computer terminal) able only to transmit data to or receive data from a computer; having no independent processing capability.
Example: Users could access this centralized computer only by means of dumb terminals.