The phrase "all along the line" can be used to indicate that something is happening consistently or continuously throughout a particular situation. Some synonyms for this phrase include "throughout," "all the way," "from beginning to end," and "across the board." Other similar phrases that can be used in its place include "from start to finish," "every step of the way," "all the time," and "everywhere." Each of these alternatives can convey a similar message and help to clearly convey that something has been occurring without interruption throughout a given period of time or situation.