Speechless used in a sentence

Speechless in a sentence as an adjective

It was one of those rare speechless moments for Pat Kenschaft.

I'm speechless that "phpBB, Drupal, Wordpress" are supposed to be the "great" examples of "high quality PHP".

" in response to a comment bashing Noam Chomsky in the most knee-jerk and ironic way; I was genuinely left speechless.

I am borderline speechless in the face of the incomprehensible carelessness.