unavailable Synonyms

in the laboratory out of print unusable tied up in the field unobtainable ungettable nonopening in use bookable unapproachable working unprocurable unreachable unachievable having fish to fry already taken with a customer on assignment having a full plate on vacation in a meeting Not available un-come-at-able unattainable unaffordable vain useless inaccessible gone full fruitless engaged elusive disabled busy away active absent inapproachable ineffective ineligible unaccessible unable taken snowed out off occupied nonexistent