The term 'BLANK EXPRESSION' is a phrase used to describe a facial expression that is unreadable or emotionless. The two crossword solutions for this term are STARE and IFORGOT. STARE is a 5 letter word meaning to look fixedly, often with eyes wide open. IFORGOT is a 7 letter word meaning to have forgotten something. Both words can be used to describe a blank expression, as someone who is staring or has forgotten something may have an emotionless face.