standby Synonyms

mission readiness fill-in at the ready preparedness backup watch understudy surrogation surrogate supply suppletive supe successor substitution stand-in locum bookable war preparedness war awareness war preparations war-readiness cobbled together good right arm subs waitlist waiting list spare part second string fallback stopgap substitute status stand-by linchpin idle hibernate figurante figurant emergency double deputy condition commitment auxiliary apologist alternative makeshift model pause stalwart