disassociation
disconnection
discreteness
disjunction
disjuncture
dissociation
immateriality
impertinence
inapplicability
inappositeness
inconclusiveness
inconnection
inconsequentiality
inconsiderableness
independence
indifference
ineffectuality
inferiority
insignificance
irrelation
irrelevance
littleness
low priority
marginality
negligibility
pettiness
picayune
picayunishness
pokiness
puniness
secondariness
separateness
slightness
smallness
unconnectedness
unimportance
unimpressiveness
unnoteworthiness
unrelatedness
aimlessness
artlessness
bizarrerie
cat's cradle
hard-heartedness
imperturbation
incoherence
light-heartedness
naïveté
smile
thoughtlessness