Answer: sterile

AnswerCrossword Clue
STERILENot kidding?
STERILEUnfruitful
STERILELike a surgeon's hands
STERILEUseless; ineffective
STERILEWithout issue
STERILEIneffective
STERILE"The ... Cuckoo," Pakula film
STERILEGermfree
STERILEHospital-clean
STERILEMore than clean
STERILEMore than dull
STERILEFree of germs
STERILEUnyielding
STERILEGermless
STERILENot being productive
STERILEProducing zip
STERILEJejune.
STERILE"The ... Cuckoo" (1969)
STERILEClinically clean
STERILEWithout germs
STERILEFree from bacteria
STERILEDisinfected
STERILELike good operating rooms
STERILENot fruitful
STERILELike many labs
STERILEUncreative
STERILEUltraclean, as a lab
STERILEUnimaginative
STERILEBeyond clean
sterilefree from living germs
sterileunable to produce offspring; barren
sterileincapable of producing offspring
STERILEAntiseptic
STERILELike a mule
STERILEGerm-free
STERILEUnproductive
STERILEAseptic
STERILEBarren
STERILEClean and then some
STERILELike a mule, usually