We found one dictionary that defines the word without expression:

General (1 matching dictionary)

1. without expression: Rhymezone

Definitions from WordNet (without expression) ▸ adverb:  in a blank manner Phrases: without facial expression, more... ▸ Words similar to without expression ▸ Usage examples for without expression ▸ Idioms related to without expression ▸ Wikipedia articles (New!) ▸ Words that often appear near without expression ▸ Rhymes of without expression ▸ Invented words related to without expression