Left in the dark is a phrase used to describe a situation where someone is UNAWARE of what is going on or has not been notified of important information. The two crossword solutions for this phrase are UNAWARE (7 letters) and UNNOTIFIED (10 letters). UNAWARE means lacking knowledge or understanding of a situation, while UNNOTIFIED means not having been informed or given notice. Both words can be used to describe someone who is left in the dark.