unimportance (n.)
- daintiness
- delicacy
- diminutiveness
- exiguity
- fewness
- homeliness
- humbleness
- humility
- insignificance
- insufficiency
- littleness
- lowliness
- meagerness
- meanness
- meekness
- minuteness
- moderateness
- modesty
- pettiness
- plainness
- poorness
- puniness
- scantiness
- simpleness
- slightness
- smallness
- submissiveness
- tininess
- triviality
- unpretentiousness