The term 'bright-eyed and bushy-tailed' is an idiom used to describe someone who is full of energy and enthusiasm. The crossword solutions for this term are ALERT, AWAKE, and EAGER, all of which are five letters long. ALERT means to be watchful and attentive, AWAKE means to be conscious and not asleep, and EAGER means to be enthusiastic and keen. Together, these three words can be used to describe someone who is bright-eyed and bushy-tailed.