Part of speech:
Not able to speak, as because of strong emotion; mute
Having no voice; dumb; mute
Not expressed or not capable of being expressed in words
(Phonet.) Not pronounced
Not giving a ringing sound when struck; said of a metal.
Unwilling to talk; silent
Silent; not speaking
Verbose is defined as a person who uses way too many words, or who talks a lot.
Giving information readily; forthcoming
The definition of responsive is gives an answer, or reacts easily or readily.
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, silent, astounded, loquacious, voiceless, wordless, aphonic, mute, dumb, amazed and aphasic.