1. (total lack of meaning or ideas)
inanity, senselessness, mindlessness, vacuity, pointlessness
synonim: bezsensowność
synonim: absurdalność
synonim: niedorzeczność
synonim: nonsensowność
synonim: bezsens
synonim: nonsens
synonim: nielogiczność

2. (the quality of being unimportant and petty or frivolous)
pettiness, triviality, slightness, puniness: : synonim: błahość
synonim: durność