Synonyms of unimportance

2 Syllables
cheapness
3 Syllables
pettiness, worthlessness, shabbiness, trivialness, nothingness
4 Syllables
frivolousness, pettinesses, nihility, triviality, trivialities
5 Syllables
nonexistence, inconsequence
6 Syllables
negligibility, inessentiality, inconsequentialness, immateriality
7 Syllables
inconsequentiality