Answer: inert

AnswerCrossword Clue
INERTUnmoving
INERTLike xenon
INERTUnlikely to form compounds
INERTUnreactive
INERTLike group 18 elements
INERTLike some gas elements
INERTLike neon
INERTNot moving
INERTNonreactive, as some gases
INERTLacking vigor
INERTLike neon and helium
INERTLike the noble gases
INERTLess than slow
INERTListless
INERTStill
INERTAt a standstill
INERTLike radon
INERTLike neon and xenon
INERTLike a noble gas
INERTNot at all active
inerthaving little or no ability to react chemically
INERTLike argon
INERTLike a couch potato
INERTLike krypton
INERTNonreactive
INERTLanguid
INERTMotionless
INERTStagnant
INERTImmobile
INERTLike the elements on the far right of the periodic table
INERTLike helium or argon
INERTLike helium
INERTLike argon or helium
INERTLike some gases
INERTNot exactly active
INERTPowerless to move
INERTLifeless
INERTNot apt to react
INERTSluggish
INERTImmobilized