The term 'looks daggers (at)' is an idiom that means to give someone a hostile or angry look. The two crossword solutions for this term are 'STARES' and 'GLARES', both of which are six letters long. Staring is the act of looking intently at something or someone, while glaring is a more intense form of staring that conveys anger or hostility. Both of these words can be used to describe the action of looking daggers at someone.