Hemming and hawing is a phrase used to describe someone who is indecisive or UNCERTAIN. This is reflected in the crossword solutions, which include ers (3 letters), VACILLATING (11 letters), WAFFLING (8 letters), dithering (9 letters), AMBIVALENT (10 letters), UNCERTAIN (9 letters), oftwominds (10 letters), onthefence (10 letters), wishywashy (10 letters), and inaquandary (11 letters). All of these words refer to someone who is unable to make a decision or is unsure of what to do.