lost for words

unable to think of something to say at a loss for words Chris was lost for words at Kathy's incredible rudeness.

Usage notes: usually said because something has surprised you

Name	Pronounced	Usage
Les	[lez]
Efrat	-	Hebrew, Biblical Hebrew
ŠTefÁNia	-	Slovak
Albino	-	Italian, Portuguese, Spanish
MÜGe	-	Turkish
Fedir	-	Ukrainian