Phrase meaning 'very bright' or 'extremely alert'

Let's find possible answers to "Phrase meaning 'very bright' or 'extremely alert'" crossword clue. First of all, we will look for a few extra hints for this entry: Phrase meaning 'very bright' or 'extremely alert'. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.