Not able to speak, as because of strong emotion; mute
Having no voice; dumb; mute
(Phonet.) Not pronounced
Unwilling to talk; silent
The definition of responsive is gives an answer, or reacts easily or readily.
Not expressed or not capable of being expressed in words
Not giving a ringing sound when struck; said of a metal.
Silent; not speaking
Verbose is defined as a person who uses way too many words, or who talks a lot.
Giving information readily; forthcoming
Characterized by the use of clear, expressive language:
Lacking the power or faculty of speech
Find another word for speechless. In this page you can discover 27 synonyms, antonyms, idiomatic expressions, and related words for speechless, like: inarticulate, astounded, voiceless, awestruck, silent, aphonic, dumb, amazed, aphasic, responsive and dumbstruck.