1 2 3 4 1 _ _ _ _ 2 _ _ _ _ 3 _ _ _ _ 4 _ _ _ _ ACROSS 1) a secret look 2) the highest level or degree attainable; the highest stage of development 3) avoid and stay away from deliberately; stay clear of 4) the act of flipping a coin DOWN 1) the time that has elapsed 2) the repetition of a sound resulting from reflection of the sound waves 3) any of various systems of units for measuring electricity and magnetism 4) range of what one can know or understand ** Scroll down for solution. ** Are you sure you want to peek? peek acme shun toss