unavailable Synonyms

in the laboratory out of print unusable tied up in the field unobtainable ungettable nonopening in use bookable unapproachable working wanting void out of stock unprocurable 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 unachievable unreachable vain useless inapproachable inaccessible gone full fruitless engaged elusive disabled closed busy away active absent ineffective ineligible unlocated unknown unaccessible unable