Below are possible answers for the crossword clue To and fro.
BACK AND FORTH
moving from one place to another and back again; "he traveled back and forth between Los Angeles and New York"; "the treetops whipped to and fro in a frightening manner"; "the old man just sat on the porch and rocked back and forth all day"
moving from one place to another and back again; "he traveled back and forth between Los Angeles and New York"
From; away; back or backward; -- now used only in opposition to the word to, in the phrase to and fro, that is, to and from. See To and fro under To.
UP AND DOWN
moving backward and forward along a given course; "he walked up and down the locker room"; "all up and down the Eastern seaboard"
alternately upward and downward; "he eyed him up and down"
Other crossword clues with similar answers to 'To and fro'