impassiveness
apathy
bringing-up
callousness
calumniator
composure
disinterest
immobility
impassibility
impenetrability
imperturbability
inscrutability
insensibility
nonchalance
obstructiveness
obtuseness
paresthesia
placidity
pointlessness
powerlessness
self-command
stoicism
torpidity
unconcern
unimportance
vasospasm