stabil
amotile
aplanetic
attached
dead
durable
fast
firm
fixed
hard
heavy
immobile
immotile
immovable
inactive
inflexible
massive
motionless
non-mobile
non-motile
permanent
persistent
recalcitrant
resistant
rigid
robust
rugged
sessile
solid
sound
stable economy
stable
stationary
steady-state
steady
stiff
strong
sturdy
substantial
without moving