- The definition of speechless is nothing to say, or when you are made silent, usually as a result of a surprise or other strong emotion.
When your boyfriend proposes to you and it comes as such a complete surprise that you are overcome with emotions and can't even speak, this is an example of when you are speechless.
- incapable of speech; lacking the ability to speak
- temporarily unable to speak; silent, as from shock
- not expressed or expressible in words: speechless terror
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- Lacking the faculty of speech.
- Temporarily unable to speak, as through astonishment.
- Refraining from speech; silent.
- Unexpressed or inexpressible in words: speechless admiration.
- speechˈless·ly adverb
- speechˈless·ness noun