An "all-out campaign" is a term used to describe a determined and comprehensive effort towards achieving a specific goal. Synonyms for this phrase might include "full-scale operation", "unrestrained effort", "total offensive", or "intensive drive". Other potential phrases which may be used in place of "all-out campaign" include "concerted push", "sustained attack", "coordinated assault", or "massive undertaking". Regardless of the specific terminology used, the central idea remains the same: an all-out campaign represents a relentless and broadly-based effort to achieve a particular objective, with no holds barred and no half-measures taken.